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Dams and reservoirs in Ethiopia (1,616 words) [view diff] exact match in snippet view article find links to article

commissioned in 1966, is close to reaching the end of its useful life due to siltation. While most of the newly constructed dams are much larger than the Awash

forms part of the boundary between the two countries. The river is facing siltation leading to thin flow of water in the dry season and floods in the rainy

resulting in siltation. Illegal gold panning upstream, especially on the Zhombe side of Ngondoma River, is also another source of siltation. The Ngondoma

silting up. Two severe floods in 1988 and 1992 further accelerated the siltation. Within five years, the reservoir got silted up almost entirely. As a

Originally, the seasonal flow entered the lake directly, causing heavy siltation. To check the inflow of silt, 25.42 km2 of land was acquired in the catchment

awareness by junior secondary school students on Gweru River pollution and siltation. The campaign has been received by many organizations and schools in Gweru

the water holding capacity of the dam has been reduced by 24% due to siltation. A major conflict for water was reported when over 30,000 farmers gathered

Titas. The river has become narrow and shallow in many places due to siltation. Titash Ekti Nadir Naam (A River Called Titas) is a 1956 novel by Bengali

and have been such since 1938. Lake Isom has suffered from considerable siltation in the past, making it even shallower and swampier than it already was

the same land was held in private ownership, primarily to lessen the siltation of the lake and surrounding bodies of water. Refuge profile  This article

purposes. Due to the high suspended solids in the river water significant siltation occurred on the Albanian side. The practice has recently stopped. Geography

The Lam Phra Phloeng Dam (Thai: เขื่อนลำพระเพลิง, RTGS:  ‹See RfD› Khuean Lam Phra Phloeng, pronounced [kʰɯ̀a̯n lām pʰráʔ pʰlɤ̄ːŋ]), is a dam on the Lam

anadromous spring spawners and prefer clean streams with light flow and light siltation. The rainbow smelt face several barriers. They are weak swimmers and struggle

Wepener, Free State, South Africa. It was established in 1989. Due to siltation, the storage capacity of the Welbedacht Dam reduced rapidly from the original

not in acute danger, the chubsucker faces habitat disturbance due to siltation caused by agricultural practices as well as coal ash spills. Its range

capacity of the Laanecoorie Reservoir is about 7770 ML, although substantial siltation since its construction has reduced the original capacity by an estimated

species, as it may be threatened in future by impoundment of rivers, siltation and deforestation. The Christmas darter was described as a new species

tunnel to the city of Santa Barbara. However, that dam was plagued by siltation and was unable to fully serve the water requirements of the city. Construction

by modifications of its habitat caused by afforestation, damming and siltation of streams, and water extraction. It is also negatively affected by the

introduced grass carp), over-fishing, and the loss of breeding sites due to siltation and blocked access. Anabarilius polylepis grows to 22.7 cm (8.9 in) standard

continuing habitat loss (conversion of habitat into rice paddies, causing siltation of streams). IUCN SSC Amphibian Specialist Group (2018). "Duttaphrynus

rarest salmonid in the Olympic National Park) are severely threatened by siltation, and the degradation of logjams in the river used as spawning grounds

century as far up river as the present location of the city of Jackson. Siltation from agricultural run-off eventually choked the river, and channelization

is very susceptible to environmental changes including flow regimes, siltation in nesting sites, and poor environmental quality. The Noturus catfish

by 2010 the jetty at Pasni Harbor had become blocked due to continuous siltation. Due to the closure of the harbour, fishermen have to proceed to the Gwadar

by 2010 the jetty at Pasni Harbor had become blocked due to continuous siltation. Due to the closure of the harbour, fishermen have to proceed to the Gwadar

sediment transport from left to right, and based on this it is expected that siltation will occur on the left side of the harbour and erosion on the right side

Basin, as a benthic fish, the C. carolinae is in danger of increased siltation by area farming. Though the sculpin faces these threats, they are not

is threatened by habitat loss caused by afforestation, fires, erosion, siltation of streams, dams, and roads. Introduced predatory fish are probably also

average lifespan for the eastern sand darter is about 2–3 years, but if the siltation and pollution continue to worsen, the lifespan will gradually decrease

laws and to educate landowners on the prevention of siltation. Increased pollution and siltation can result in higher water turbidity, making it difficult

shiners prefer warm, quiet pools with clear water and silt-free substrates. Siltation, channelization, and gravel dredging are all threats to bigeye shiner

clear, rocky forest streams where they cling to rocks in strong currents. Siltation of streams caused by deforestation is a threat to this species. Male Meristogenys

competes with catfish and does not thrive in rivers with high levels of siltation. The highfin carpsucker is generally around 26.5 centimetres (10.4 in)

as a "vulnerable species", being affected by habitat destruction and siltation, often resulting from damming and impoundment of the rivers or the creation

metres (1,250 ft) above sea level at the top of the escarpment. Because of siltation from the river filling the bay over several centuries, the city is now

and reservoirs became inoperable; those that remain suffer from heavy siltation and seepage. In the Ilala and Kalamino Basins, SAERT constructed dams

fish; the threats are not well known but may be human disturbance and siltation. Ng, H.H. 2012. Batasio tigrinus. The IUCN Red List of Threatened Species

restricted range, W. maculata faces strong human habitat disturbances such as siltation, habitat fragmentation, pollution, and introduced species. This fish has

population trend of this fish is unknown but it is affected by a rise in siltation and the impoundment of water within its range by the building of dams

farming practices have resulted in the river experiencing very little siltation/sedimentation. Impressive sedimentation starts occurring about 65 kilometres

some river systems in which it was at one time present, mostly due to siltation and pollution problems. Males are more colorful than females and can grow

free-swimming and feed on algae growing on submerged rocks. It is threatened by siltation of streams caused by clear-cutting. It occurs within the Nahuelbuta National

1956, the dam was affected by the 1990 Luzon earthquake, which caused siltation and technical problems that affected the plant's operations. Ambuklao

insects It is threatened by canalisation of its native rivers and by siltation caused by logging. NatureServe (2013). "Hybopsis lineapunctata". IUCN

place in clear, rocky mountain streams. It is threatened by habitat loss (siltation of streams needed for larval development, clearance of forests for cultivation)

John River, Liberia, and Saint Paul River, Guinea; and is threatened by siltation of its habitat, consequent upon deforestation. Diallo, I. (2020). "Enteromius

forest. It is a rare species threatened by habitat loss that is caused by siltation of streams caused by clear cutting and afforestation with exotic species

threats to water quality include active coal mining, abandoned mine lands, siltation, and some areas with high fecal coliform bacteria levels. The origin of

its native range. In addition to being fished, it may be threatened by siltation from deforestation and agricultural activities, pollution and habitat

with a surface area of over 2 square miles (5.2 km2). Over the years, siltation and vegetation have reduced the capacity and surface area, so that much

National Park Service. The Alexander County lake has major problems with siltation. During the Great Flood of 1993 the river tried to shift back to the Horseshoe

tons of coarse granitic sands and lead to serious sand-slugging or sand siltation of the lower half of the Deua River below the Araluen Creek confluence

(possibly extinct). It is threatened by habitat degradation by excess siltation, excess fishing, and dam construction. However, based on several specimens

industrial effluents from point sources located all over the basin. Cultural siltation in the form of immersion of idols during specific festivals, an annual

major source of water for the city of Coffs Harbour. This has led to siltation in the river, and the virtual decimation of the river's freshwater fish

Erosion and deposition are believed to be in equilibrium in the trench. Siltation now provides a major challenge for the impounded sections of the river

drainage of the Brahmaputra in Manipur. The species is threatened by siltation caused by slash and burn agriculture and the proposed building of a dam

still occasional floods on the middle and lower Bîc. However, as of 2020, siltation had reduced the volume of the reservoir by about 50%. Furthermore, the

fish is declining due to loss of suitable habitat. This is caused by siltation and pollution, particularly erosion caused by changes in land use. The

threat due to human activities such clearing of riparian vegetation and siltation associated with agricultural practices, snag removal, overfishing, river

its home habitat mainly because of agricultural practices that cause siltation and turbidity which causes most populations of the sickle darter to be

blocks. Many land slides are observed in the catchment, which add to the siltation problems of the reservoir. The Rangit dam is 45 metres (148 ft) high concrete

range. Additionally, continued urbanization is resulting in increased siltation. Impoundments have fragmented the range. NatureServe (2013). "Percina

Mirror Pond is an impoundment of the Deschutes River in Bend, in the U.S. state of Oregon. It is between Pacific Power's Bend Hydro dam and the Colorado

off the hills and mountains creating other problems such as flooding, siltation, and filled-in marshlands. With natural resources dwindling, maintaining

and spread invasive trees such as eucalyptus. These changes can lead to siltation of the breeding streams. The species is known from a few protected areas

abstraction is contributing to siltation of Rusape river which flows into the Rusape dam. ManicaPost, The. "Siltation takes toll on Rusape Dam". The ManicaPost

2013[update] the river appeared to be in a healthy condition with limited siltation and only infrequent pockets of erosion. Floods in 1910 recorded the Esk

Tennessee-Tombigbee Waterway in 1985, which altered water flow, increased siltation, and disturbed habitat by dredging. No living specimens have been found

1995. The dam's reservoir, Roseau Reservoir, is experiencing heavily siltation and studies are currently underway to remediate the problem. Hurricane

supra-regionally important ecological compensation area with well-developed siltation zones. Lake Röhmsee is important as a resting place for migrating birds

shoreline, and an original maximum capacity of 44,700 acre-feet, reduced by siltation to about 31,200 acre-feet. Recreation includes boating and fishing. The

is actively used for crop irrigation. The bottom is subject to severe siltation, and due to pesticides and fertilizers discharged from rice farming, fish

on the western lakeshore, and these cause pollution from solid wastes. Siltation is another threat to biodiversity. Lake Bogoria - Kenya Wildlife. Williams

68 m3/s. The hazard potential of the dam has been ranked high. Due to siltation, the storage capacity of the Welbedacht Dam reduced rapidly from the original

irrigation and the protection of downstream areas and dams against floods and siltation. Construction of the dam began in February 2001 and it was completed in

buffer zone of the rivers and streams. The deforestation has resulted to siltation on the rivers hence reducing the quantity of water in the rivers. The

area of the pond is about seven ropanis. The pond has dried up due to siltation and over extraction of water. Land encroachment has been taking place

encroachment of people, cattle and horses, accidental fires, poaching and siltation and pollution of the water courses. Montoro 1985. Contrato 093/10 – VALEC

into the Arabian Sea. Sea erosion, the migration of river mouths, and siltation of ports and harbours are some of the common problems facing this region

the river training walls was concentrated in 1907, following extensive siltation of the river opening. The dredge Antleon was based there during the 1920s

rare species and a candidate for federal protection. It is threatened by siltation, pollution, habitat destruction and urbanization, and as a result, the

estuary (now known as Winestead Drain). The port was closed in 1869 due to siltation of the channels which made the watercourses not able to be navigated by

The park authorities carry out research on siltation, stopping spread of Water hyacinth and de-siltation activities in the beels present inside the park

after heavy flooding. Large sandbars are not uncommon. There is some siltation and mild to extreme bank erosion in areas due to agriculture. There are

(commonly known as North Bengal). It passes through Joypurhat District. The siltation of the river has led to discussions to dredge the Haraboti, and three

services were again suspended from October 2019 to February 2020 due to siltation at Dahej. It was again suspended on 21 March 2020 due to dredging issue

another 3 weeks. Two-spined blackfish have declined seriously due to stream siltation and competition by introduced species, particularly introduced trout species

barangays during rainy season. Its adverse effects include the severe siltation of the three rivers in the city and loss of soil fertility in the hinterlands

steep slopes in the Village of Anmore, has impacted the stream with heavy siltation. Much volunteer time has been directed at documenting and dealing with

particular, pose a large threat to this species due to the effects of siltation, which can over time fill in streambed substrate gaps, destroying nesting

operation in the world,[citation needed] greatly accentuates the impacts of siltation as claimed by environmentalists. The topographic and rainfall characteristics

was once tidal to the western boundary of the site, however increased siltation of the creek, as well as changes in tides[clarification needed] now see

and siltation restrict gene flow between previously continuous populations, threatening the genetic diversity of various Nothonotus species. Siltation has

in her left. The 19th century brought economical decline caused by the siltation of the Zuiderzee which made the harbor of Makkum unreachable. Only shipyards

"Fair" to "Good". Causes of pollution include inorganics, nutrients, siltation, organic enrichment (low dissolved oxygen) and other habitat alterations

watercourses in the lake catchment and hinterland, has given rise to siltation and changes in the make up of the lakebed and foreshore. During 2004 and

Populations may have experienced declines in the past due to strip-mining and siltation in the gravel substrates in which it spawns. Emerald darters compete heavily

of Stralsund had three ships sunk in the Permin, which accelerated the siltation of the channel and made it unnavigable. So by the turn of the 14th and

has suffered severe siltation (sedimentation) from the watershed, which has caused a large reduction in its capacity. Siltation has reduced the volume

closure it had a maximum capacity of 13,000 acre-feet (16,000,000 m3) but siltation reduced that number to 10,900 acre-feet (13,400,000 m3) by 1992. The western

other water sources were severely altered when ranching began, causing siltation along the Ord River and destroying important habitat of the white-browed

Banklick is seriously impaired and suffers from suburban lawn runoff, siltation due to overdevelopment, and fecal coliforms due to sewer overflows. Pioneer

It also captured images of the coastlines of Palawan, showing signs of siltation on certain parts of the coastline. By October 2018, Diwata-1 has captured

natural environment faced by freshwater Mollusca include floods, droughts, siltation, extreme temperature variations, predation, and the constant unidirectional

because the town does not have a river running through it. The problem of siltation had preoccupied the merchants of the town for hundreds of years and occupied

here. Waterfowl still frequent the area during migration, although heavy siltation makes the site less attractive to them. The wood duck nests during the

suggested that the Imphal valley is actually a lacustrine plain formed by siltation of an ancient lake. The Loktak Lake, biggest fresh water lake in the northeast

ancient sanctuary of Olympia, long forgotten under landslips and flood siltation, was identified in 1766 by the English antiquarian Richard Chandler. In

(18 ft). The average depth of the lake is about 3 metres (9.8 ft). Heavy siltation has occurred in the lake due to high rainfall incidence, irrigation releases

and kānuka covering another 19%, so that water quality is good. Due to siltation of the harbour, following extensive logging in the last century, mangroves

catch brought about by the Mount Pinatubo eruption in 1991 and continued siltation problems as well as illegal fishing practices in the area prompted the

lack of regeneration of the mountain swamp gum community, because of siltation and waterlogging, or by disease and weed invasion. Nest predation, by

river has been sped up by dredging and widening and the river is prone to siltation and bank erosion. The Crumlin Viaduct in Wales was a few feet taller,

crown-of-thorns starfish (Acanthaster planci) have also reduced coral populations. Siltation from soil erosion has destroyed many coral areas. Additionally threats

them and their eggs of oxygen. They are intolerant to high turbidity, siltation, and low-dissolved oxygen levels. In midwinter, scarlet shiners inhabit

generally mediocre; game fish habitat has been significantly degraded by siltation, invasive species (most notably Asian carp), and changes to the natural

introduced trout and other exotic fish, river damming and regulation, siltation, and urban encroachment, but does not appear to be as threatened as the

square kilometres of forest per year in Colombia, in addition to increased siltation in rivers and mercury contamination. The cultivation, production, and

Human disturbances such as logging, mining, and cattle grazing can cause siltation of the water and drop the populations dramatically. The female madtom

building of the dam. Further studies were done to model water quality, siltation, climate effects and change in land quality. Modelling based on the data

factors brought about its demise: the Revolutionary War, erosion and siltation, and the shift in the main shipping commodity (from tobacco to wheat and

Creek, but were nearly extirpated apparently due to severe erosion and siltation secondary to potato farming, overgrazing and logging operations. In 1975

purposes. Due to the high suspended solids in the river water significant siltation did occur on the Albanian side. The practice has recently stopped. The

practices can lead to siltation of streams due to erosion of the streams banks as well as debris and particulates from runoff. Siltation affects bottom feeders

the settlement is threatened since the 2nd half of the 20th century by siltation, and the population is declining steadily. Until the end of the 1980s

The Zeeschelde is a part of the Scheldt River, and is of great ecological importance. It is home to numerous water birds and the river is considered a

230 acre-feet (1.07218 km3) to 623,557 acre-feet (0.769146 km3) due to siltation. The new reservoir covered hot springs at the forks of the Shoshone, similar

authorities were held. Land clearing in the Cameron Highlands lead to massive siltation resulting in floods and landslides. It was feared that clearing of the

of coarse granitic sand and has led to serious sand-slugging or sand siltation of the lower half of the Deua River below the Araluen Creek confluence

minimum evaporation loss since the storage is subsurface, there is no siltation and loss of reservoir capacity, the cost of maintenance is negligible

factors affecting the biodiversity of the park are agricultural pollution, siltation, diseases and floods. Environment portal Bangladesh portal List of protected

International Journal. 1 (1): 61–108, page 70, note 19. In general for siltation by the Mae Klong, see Melis, Romana; Violanti, Donata (2006). "Foraminiferal

the species is considered functionally extinct in the Butano watershed. Siltation from cleared coast redwood (Sequoia sempervirens) and coast Douglas-fir

its shorelines, but also the ever-increasing inflows of nutrients from siltation, sewage and other effluents emanating from a lakeside human population

Area of Conservation (SAC). Siltation prevention was undertaken on the beck in its lower reaches in 2014. The siltation near to Lendales Farm was due

seasonal cultivation. Threats to the salinity balance from increased siltation influxes will come from more projected logging in Natron watersheds and

of water tables, reduced levels of reservoirs, increased soil erosion, siltation and signs of desertification and unending wildfires. The number of wild

bycatch events (primarily passive ice fishing), chemical pollutants, and siltation. Amphibian chytrid fungus (Bd) has been known to affect captive N. maculosus

farming is linked to an increase in water pollution,[citation needed] and siltation due to land clearance has affected lakes, rivers, caves and bays. There

project also included Creve Coeur Lake being dredged and the addition of a siltation lake to prevent the need for later dredging. Creve Coeur Lake Memorial

decline since the 1950s due to channelization, gravel mining, dredging, and siltation, which reduce the ability for the species to properly breed and survive

introduction of exotic fish such as trout, overfishing, willow encroachment, siltation, and weirs blocking migration saw native fish populations in the Queanbeyan

food crops and cash crops. The river is threatened by deforestation and siltation, increasing diversion of water for irrigation, and pollution by fertilizers

water surface of 13.5 km ² - the area within the ring dyke including siltation zones is 16 km ² - and maximum water depth of just 1.50 m, it is good

Navigability – Diversion of water for irrigation reduces river flow and further siltation breaks down the navigability very easily. Safety risks – Risks to human

Gulf of Mexico. Agricultural runoff has resulted in increased turbidity, siltation, pollution from pesticides, toxicity to aquatic organisms, oxygen depletion

Navigability – Diversion of water for irrigation reduces river flow and further siltation breaks down the navigability very easily. Safety risks – Risks to human

is sensitive to siltation it is not found where there is sandy substrate. Human actions, like farming or logging, that cause siltation in streams degridate

owing to their protected sources in the coastal forests, have much less siltation than the larger rivers, which drain vast tracts of land where poor farming

by distributaries such as Jalangi, Churni, and Ichhamati. Due to the siltation of these rivers, floods occur periodically. The Ranaghat subdivision is

fishponds (pokok in the Pangasinan language). However, because of constant siltation over the past several years from mine tailings upstream from Agno River

dam building or destruction of riparian buffers may lead to increased siltation, thereby threatening darter populations. Adults and juveniles are invertivorous

to the extirpation of this darter. Anthropogenic factors, especially siltation and excess nutrients, are likely to blame for the loss of this fish from

the population is slowly declining due to anthropogenic factors such as siltation, agricultural runoff, and water pollution. Reintroductions and water quality

and 2002. However, due to lack of maintenance, excessive garbage and siltation, the reservoirs cannot effectively avoid the flooding risk. Besides the

is listed as threatened in Kentucky due aquatic habitat degradation, siltation, and increased turbidity. While the most noticeable causes of the species

and invertebrate production. Impeded fish movement because of dams, siltation of spawning habitat and low oxygen levels in ponds were the most often

effects detrimental to their ecology include strip mining, mica shale siltation, impoundments (dams), and agricultural drainage runoff. The breeding season

has been criticized for the floods in Bihar as it is causing excessive siltation in the Ganga. Farakkha barrage also greatly reduced fish migration up

the streams that flow through them. Threats it faces include pollution, siltation, flooding, increased water flow and the filling of sinkholes and dumping

has substantially impeded water circulation and caused an increase in siltation and deposit of pollutants in the lake ecosystem. The building materials

size of the reservoir over the years on account of encroachments and siltation, the pavilion's present location is seen in the eastern edge of the tank

for survival. The mangroves in the bay are also not only threatened by siltation by excessive erosion, dam construction, and pesticides from the local

the fading gradually because the coast around Bagansiapiapi experience siltation and narrow by the sediment of mud brought water Rokan River. Bagansiapiapi

shore of Einfelder See protects the near-natural shoreline landscape with siltation zones and the open water areas in front of them. Dosenmoor Einfelder See

The river suffers significant problems from industrial discharge and siltation, which made the length of the Aa from Saint-Omer to the junction with

glasses and silvered copper catoptric reflectors". Due to problems with siltation the use of the harbour for the mail packets was short lived, and instead

cultivated in the surrounding area. Deforested local hills leading to siltation, and increasing industrialization causing an inflow of pollutants, are

nickel mining has reduced the amount of land available to farmers and siltation into the ocean has adversely impacted fishing; before mining, agriculture

2012 at the Wayback Machine Umiam Dam satellite map Umiam Lake Details Siltation and Pollution Contribute to Power Crisis in Shillong Pollution of Umiam

straddles the county line. Both lakes are gradually being destroyed by siltation, caused by development upstream in Roswell. The city sued in 2005. The

the CHR have been blamed for flash-floods and landslips in Idukki and siltation problems in the Idukki dam. According to the report dated 7 September

River entirely to its northern course, finally removing its inflow and siltation from the lake. Under the People's Republic of China, counties in Anhui

the Cirebon area close to the sea near Mt Ciremai, include extensive siltation of the rivers that flow northwards into the Java Sea and more frequent

River entirely to its northern course, finally removing its inflow and siltation from the lake. Under the People's Republic of China, counties in Anhui

damaged by poor forest management, as the Raisio landscape was altered by siltation and post-glacial uplift after the Ice Age. Results of the 2019 Finnish

threatened by afforestation, dam building, and overgrazing (which causes siltation of rivers). Other potential threats include chytridiomycosis and introduced

west, and by the mountains of upper Noel Creek south of Bralorne. Due to siltation much of the land in the eastern part of the reserve, which lies between

gradually release water. The effect of upstream forest clearance and siltation has been to cause the river to flood over its banks onto fields and roads

Ultimately the hydro project failed under the weight of its own disincentives: siltation, geology, seismic activity, distance from markets, politics, etc., but

bodden and to the north lies the Baltic Sea. As a result of increasing siltation of the inlet at the eastern tip of the Zingst, the Große Werder became

color of Dingalan’s river channels reveals the extent of soil erosion and siltation resulting from the loss of adequate tree cover upstream. According to

constructed marina was only accessible +3hrs mlw due to heavy and rapid siltation. By 2012 the silting problem had been resolved and the entrance is kept

decline of freshwater mussels include destruction by dams, increased siltation, channel alteration and the introduction of invasive species such as the

was the main port used by Ashoka, the Mauryan emperor. With too much siltation the port lost its importance around the 8th century A.D. Purba Medinipur

species such as carp (which has similar feeding habits) and Redfin. Severe siltation also probably severely impacts upon the species spawning by smothering

darter needs clean gravel to spawn its eggs, it is very sensitive to siltation. An area with poor erosion control upstream could very easily wipe out

conducted mining operations in the riverbed, massive deforestation and siltation was believed contributed to the river's overflow. The environmental impact

to clear land for agriculture had accelerated erosion of the banks and siltation of the river. Subsistence agriculture had caused chemicals to be washed

their origins are concerned, a distinction is made between lake mires or 'siltation-formed raised bogs' (Verlandungshochmoore) and 'mire-formed raised bogs'

which began in 1933. Due to its initially shallow depth, flooding and siltation (carried by Stony Brook) became problems for the area surrounding Carnegie

reached up to a person's neck or liog in the vernacular. Due to heavy siltation, however, the river is now only knee-deep. During the Spanish period,

site for this species, faces pollution by Namibia's largest port and siltation by a salt works at the southern end of the lagoon. Pollution by the port

irrigation, as well as deforestation of its habitat, and the resulting siltation and increased stream turbidity. It may already be extinct. Its habitat

trace and are difficult to resolve. All of these can lead to substantial siltation, which ultimately destroys their preferred habitat types. Another primary

well as natural factors such as alteration in the courses of rivers, siltation, and erosion, have all contributed to the progressive deterioration of

Philistina, Fossa Clodia Drainage According to Pliny the Elder for draining Po estuary; erosion and siltation renders modern identification impossible

deliberate poisoning and the deterioration of the spawning grounds due to siltation from soil erosion caused by deforestation and agriculture, which also

Clean Water Act Section as sediment impaired, due to elevated erosion and siltation. In 2006, the river was additionally listed as temperature and turbidity-impaired

downstream channels between Kratié and Phnom Penh and reducing over bank siltation in the Cambodian floodplain. If built, an estimated 21 villages with 2

Environment and Conservation, was considered to be impaired due to E.Coli and siltation. List of rivers of Tennessee U.S. Geological Survey Geographic Names Information

Caesar's text against modern understanding of wind, weather, tides, and siltation in the English Channel. He concluded Caesar's departure ports were likely

erosion control devices on the trail in order to prevent erosion and siltation of the watershed. The Lahontan Water Board dropped their effort and FOTR

that day. At around 3:00 in the morning on December 6, the Marcopper siltation dam in the Mogpog river burst, sending a flood down the river and sweeping

subject to (cyclonic) "storm surge" and was subject to "severe siltation". Severe siltation means that the seabottom sediments (in this case having a high

for the decline of the ancient port of Sopara was due to the effect of siltation caused by a rise in sea level. Further near-shore and off-shore marine

population size is unknown. It is likely to be detrimentally affected by siltation, turbidity, chemical pollution, and impoundment. NatureServe (2013). "Percina

streams to breed. It is threatened by habitat loss (deforestation, and siltation of streams). IUCN SSC Amphibian Specialist Group (2020). "Leptobrachella

Due to siltation the creek has become very shallow, which makes fishing more difficult.

and then again between 1980 and 1990, which caused heavy siltation of the lake; the siltation advanced 100 metres (330 ft) into the lake causing destruction

shallow-water coastal locations are affected directly by pollution and siltation, and indirectly by the effect these have on their photosynthetic symbionts

are being rapidly logged, leading to habitat loss. Also the resulting siltation of the larval habitat is a threat. IUCN SSC Amphibian Specialist Group

to logging concessions or mining applications. Watercourses with high siltation loads, resulting from deforestation, appear not to hold the species, and

provided an ideal environment for mangroves to colonise. The excessive siltation of the river is an ongoing problem. Many areas of the river, particularly

March 2007. Retrieved 19 March 2007. Samani, R.L.; Ayhad, A.P. (2002). "Siltation of Reservoirs-Koyna Hydroelectric Project-A Case Study". In S. P. Kaushish;

The species is threatened by habitat loss caused by logging, and the siltation of streams that logging leads to. IUCN SSC Amphibian Specialist Group

lake from surrounding orchards, as well as by soil erosion leading to siltation. Kebapçı, U. & Seddon, M.B. (2014). "Acroloxus egirdirensis". The IUCN

vegetable gardens, toilets, residential structures, garbage dumping sites siltation due to noxious run-off from adjoining fields, stone quarries and lime

causes sediment to be deposited into Carter Pond. These deposits cause the siltation of the pond due which is impacts the aquatic ecosystem and could result

northwest of the town of Tsigereda for agricultural purposes. It suffers from siltation. Yet, the reservoir strongly contributes to greening the landscape, both

pass a discharge of 13,300 cubic metres (470,000 cu ft)/s. The annual siltation load considered in the design is 10.78 million cubic feet per square kilometer

style of an overlapping mosaic. This part is extended by the worm if siltation threatens to bury it, and the tube occasionally has two entrances. When

plantations. These also negatively affect the larval habitat through siltation and through eutrophication caused by chemical fertilizers. However, it

Heritage Site in 1981. The site's structural integrity has been affected by siltation, encroachment, poor site management, vandalism, and solid waste. The 2010

aquatic birds, and some fish. The main threats to the rayed bean are siltation of rivers, water pollution, and changes in river flow and physical barriers

Logging and agriculture in the surrounding watershed have contributed to siltation of the lake (1 cm / year - 1.2 million cubic meters / year), and water

Ctenochromis horei is threatened by increases in water turbidity and siltation in shallows caused by agriculture and forestry in the Lake Tanganyika

the Estado Novo. Until the Middle Ages, Peniche was an island. However, siltation of the channel between the island and the community of Atouguia on the

assessed to have above average epifaunal cover, riffle frequency and siltation characteristics. The high population level of tubificids in Piner Creek

plantations. These also negatively affect the larval habitat through siltation and through eutrophication caused by chemical fertilizers. However, it

clear water, though it has been noted to have a greater tolerance to siltation and slack water than some other members of the Juga genus (Juga newberryi)

threats to the wavy-rayed lampmussel include: natural flow alterations, siltation, channel disturbance, point and non-point source pollution, and exotic

Heritage Site in 1981. The site's structural integrity has been affected by siltation, encroachment, poor site management, vandalism, and solid waste. The 2010

was drawn up to open Loe Pool to shipping using a pier to counteract siltation, but it was never carried out. The site of Helston Castle is now a bowling

its distribution, population status and the influence of pollution and siltation on population. Research its ecological requirements and seasonal movements

navigation in the Avon River downstream from the causeway due to excessive siltation. Highway 101 is scheduled to be upgraded to a 4-lane expressway in the

left a mark on the environment. Deforestation, pollution of rivers, and siltation have resulted in losses of agriculture, and road projects have opened

plateau, and few suitably vegetated marshes remain because of pollution and siltation." It is locally common and appears "able to survive in small patches of

rainy season for further use in the dry season. Overall they suffer from siltation. Yet, they strongly contribute to greening the landscape, either through

populations and these have suffered declines and extirpations caused by stream siltation and water pollution. It has also declined in the northern parts of its

March 2007. Retrieved 19 March 2007. Samani, R.L.; Ayhad, A.P. (2002). "Siltation of Reservoirs-Koyna Hydroelectric Project-A Case Study". In S. P. Kaushish;

Engineers for the paper ‘Field and model investigations into the reasons for siltation in the Mersey estuary’, co-authored in 1963 with her colleague (William)

affecting both the mussel and the host fish. Deteriorating water quality and siltation also affects mussel populations. Other practices, such as dredging, gravel

activities include overuse of fisheries and extraction, eutrophication and siltation, and pollution. Though G. astreata is more resistant to environmental

March 2007. Retrieved 19 March 2007. Samani, R.L.; Ayhad, A.P. (2002). "Siltation of Reservoirs-Koyna Hydroelectric Project-A Case Study". In S. P. Kaushish;

important ones which invited remedial actions are: Acute problems of siltation from the adjoining barren and fragile hills. Bare hills of the catchment

centre to the River Gardens Hotel, which was a popular Sunday activity. Siltation eventually made this impossible, until the river was dredged a number

and pools. They are tolerant of areas of frequent high turbidity and siltation, but they tend to avoid waters with high acidity. Red shiner are habitat

gravel substrate. Streams with permanent flow and riffles with little siltation are ideal for this species. A highly adaptable species, it has been observed

discharge (nitrates and phosphates), and non-agricultural development (siltation, road salt, animal waste, sewage). The water and associated flora and

(49 ft), often in turbid locations where it is tolerant of some degree of siltation. Like other fire corals, Millepora tenera can cause painful rashes when

2015), This can add higher levels of sediments, contributing to the siltation of creeks and waterways. If plant matter gets into waterways it can create

areas with vigorous water movement and turbid waters, and is tolerant of siltation. Some of the polyps of Millepora complanata are dactylozooids with hair-like

competition once it became cave-dwelling. E. vicentespelaea is threatened by siltation caused by destruction of riparian forests upstream of its cave habitat

was the main port used by Ashoka, the Mauryan emperor. With too much siltation the port lost its importance around eighth century A.D. The supreme leader

and farming practices degrade and fragment river environments through siltation and other effects. Alien trout species threaten grayling through predation

impaired through urbanization and agricultural activities that increase siltation, turbidity, and change flow regimes. The availability of suitable habitat

habitat loss caused by logging and creation of plantations, as well as siltation and pollution of streams caused by deforestation and agriculture. It is

whiteheadi is threatened by habitat loss caused by logging. The resulting siltation of streams destroys the larval habitat. This species is present in the

years the reintroduction of otters in the river catchment (together with siltation of spawning gravels) has had a devastating effect on the barbel population

canal is largely unused because of, Poor quality of channel due to - siltation, encroachments, dumping of waste and sewage, unscientific constructions

continuously), the loss of storage capacity in reservoirs behind dams through siltation accelerated by erosion in the Aberdare Range, lack of access to adequate

for use as a roofing material, change of river course deforestation, siltation as a result of banana plantations, and illegal hunting by outside agencies

and extensions, the training wall grew to about 10,000 ft (3,000 m) and siltation built up sand flats of about 30 acres (12 ha) along its length. The scale

recreation, and the fishing industry. Habitat and flow alteration cause siltation and sedimentation issues which can require dredging. Fertilizer runoff

reservoir it created covered 110 acres and was 23 feet deep. Because of siltation from storm water runoff, the lake has now shrunk in size. http://www

Salawu, Abdulazeez Ozomari (May 2014). "THE REMAINING STORAGE AND RATE OF SILTATION OF MAIRUWA DAM IN FUNTUA, NORTH CENTRAL NIGERIA". {{cite journal}}: Cite

abundance and distribution: strong currents, strong tides, increased siltation, change in water temperatures, overturn in the water column, etc. Storms

Røst Reef closed to bottom trawling in 2002. Bottom trawling leads to siltation or sand deposition, which involves the disturbance of underlying sediments

consumptive uses, loss of habitat through hydro development, increased siltation and substrate embeddedness from agricultural land clearing and forestry

modification. It is threatened by habitat loss (deforestation and the associated siltation of streams; plantations). IUCN SSC Amphibian Specialist Group (2018).

and farming practices degrade and fragment river environments through siltation and other effects. Alien trout species threaten grayling through predation

destruction of vegetation); water supplies contaminated by raw sewage; siltation of reservoirs; oil pollution of coastal waters. Morocco is party to: Biodiversity

(AZ) Reservoir capacity given is the original capacity in 1938 before siltation. Palisade County Irrigation District Mesa County Irrigation District Dam

of tropical rain forest; land degradation and soil erosion threatens siltation of Panama Canal; air pollution in urban areas; mining threatens natural

threats. The loss of suitable wetland habitat, deforestation, over-fishing, siltation, persecution, human disturbance and pollution resulting in a loss of nesting

water to residents of Benin City. However, the reservoir has experienced siltation, resulting in a 23.16% loss of capacity due to sediment deposition. Periodic

introduced northern Pacific seastar, habitat modification through increased siltation, heavy metal contamination or urban effluent. The lack of a pelagic larval

through the downhill culvert. The Upper Don River was subject to severe siltation when the construction of Winscar was underway. This had an adverse effect

hardwood trees. As a consequence flash flood occurred that resulted to siltation in the deep river bed portion virtually neutralized the hiding place of

kilometre lake Nakivale has turned the water brownish due to mud pollution. Siltation is caused by poor vegetation management for example tree cutting on Ngarama

color due to natural siltation from the silt loam soils that comprise its bank. Obviously, extensive and chronic sources of siltation in the area could cause

to it are deforestation through clear-cutting and the resulting stream siltation. It is present in many protected areas. IUCN SSC Amphibian Specialist

deforested at an alarming rate. This deforestation causes soil erosion and siltation, which clogs the river and makes breeding difficult for fish. Climate

rainy season for further use in the dry season. Overall they suffer from siltation. Yet, they strongly contribute to greening the landscape, either through

thresholds beyond which deforestation, soil erosion, aquifer depletion, siltation and flooding reinforce one another in urban development, saving or destroying

rainy season for further use in the dry season. Overall they suffer from siltation. Yet, they strongly contribute to greening the landscape, either through

forestry and farming practices that degrade river environments through siltation and other effects, and competition and predation by exotic trout species

shells and avoids soft bottoms and areas of dense vegetation or high siltation. In its native range, the species is found in water depths ranging from

dredging to restore adequate canal navigational depth causes further siltation and affects fish habitat. "Burch Creek". Geographic Names Information

tunnels are often partly exposed (usually with some rock armour and natural siltation) on the river/sea bed, risking a sunken ship/anchor strike Direct contact