Enormous subsequent engineering projects have modified the river still further, depriving it of huge wetland areas. |
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Trees with large trunks and deep anchoring roots represent the ultimate challenge in withstanding oxygen-deprivation in wetland habitats. |
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A newly excavated shallow pond has created greater surface water for wetland wildlife. |
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It has got wetland, it's got dry forest full of rabbits, bettongs, bandicoots, and there's lots of roadkill and sheep farming. |
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There are the usual species for this wetland habitat mallard, tufted duck, coot, wigeon, teal and mute swan. |
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The development features nature trails, a wetland boardwalk, undeveloped lakeshore, and a pier for canoes and rowboats. |
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They are concerned that heavy natural dampness in the wetland area could spell trouble for residents' health if homes are built there. |
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Oxygen transport from above-ground parts to roots of wetland plants is facilitated by aerenchyma. |
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Each island has a museum, walking and hiking trails, wetland boardwalks, and viewing platforms. |
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The land selected was, according to old British maps, once a shola montane forest with grassland draining into a large wetland. |
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The Pacific silverweed prefers sunny coastal dunes to marsh edges, sandy bluffs, wetland meadows and mudflats. |
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Smallie said the birds' natural habitat is the wetlands, and wetland conservancy is therefore urged. |
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The entire length of the walk on the side away from the river has been planted with a mix of wetland wildflowers, grass and shrubs. |
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New to southern Florida's cypress domes is wetland nightshade, also known as aquatic soda apple. |
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A wetland habitat with reed beds, a boardwalk, bridges and an outdoor classroom will also transform the park encouraging wildlife and the public. |
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A total of 53 species of wetland and wetland-oriented birds were reported at the jheels until recently, he said. |
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The Government must create a new wetland on the east coast by order of the European Court to replace two lost to development in Kent and Suffolk. |
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By 1930, no wetland and few trees were left in the region, and in many counties, cotton stretched from horizon to horizon. |
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My team of four set off to Plum Island, a freshwater tidal wetland on the bay side. |
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Except for two years with the Cuban army in Angola, he has spent his life here, exploring every ceiba tree of the Caribbean's largest wetland. |
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The undisturbed forest was criss-crossed by natural swales that drained runoff to a wetland in the valley north of the site. |
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Further evidence of its interest and national importance comes from its role as a refuge for wetland flora. |
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The first was the incumbent wetland flora with origins in the early Carboniferous. |
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After dinner and some fly casting tuition from Barry, Dan and I take a canoe out for a paddle on the wetland. |
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In many countries the harvesting of reed beds from wetland areas for producing paper and basketry is a vital part of local economic growth. |
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High peat cliffs on the coasts of New Brunswick and Prince Edward Island are clear examples of coastal wetland loss by transgressing sea levels. |
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The sike is almost dry but erosion and wetland plants show its position in the dip. |
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The cranberry is a native American wetland plant that is grown in open bogs and marshes. |
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One of the highlights will be the creation of a community wetland art sculpture of two dancing brolgas, each 3m high. |
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The Jacanas are totally adapted to wetland habitats with floating vegetation like lotus, lily, hydrilla and wetland rushes. |
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Some of this stems from a poor understanding of wetland geology and what wetland landforms are. |
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An ecologically-acclaimed wetland in the grounds of a school in Taiwan turned out to be the product of a leaking water pipe. |
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Visitors can also take on one of the seven nature walks to see herons, moorhens and ducks in the wetland areas. |
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Watching them soar, glide, call, and even dance at their spring wetland breeding grounds has fascinated people for eons. |
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The margins support a range of wetland plants including brookweed, arrowhead and purple loosestrife. |
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A diverse assemblage of mainly wetland plant species resulted from sampling. |
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The lake has two small rivers, which drain wetland areas into the southern and northern parts of the lake. |
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Research shows that the wetland is home to at least 202 species of plants and 56 aquatic animals, including endangered frogs and turtles. |
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This is a good time of the year to observe passage migrants and returning winter visitors plus our resident wetland birds. |
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Watoga, West Virginia's largest state park, in the Allegheny highlands, attracts wetland birds such as woodcocks, wood ducks, and waterthrushes. |
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Well, the lagoons are shallow basins of water planted up with aquatic plant species that naturally occur in low-lying wetland areas. |
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Compared with Pennsylvanian times, early Mississippian tropical wetland ecosystems are poorly understood. |
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They require a mosaic of heath, blanket bog and wetland, with rough grazing, shrubs and trees for cover. |
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Unfortunately the eastern wetland flora is not confined to cranberry farms in the Pacific Northwest. |
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The role of starch reserves in tolerance to anaerobiosis has also been demonstrated in experiments on rhizomes of some wetland species. |
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The wetland park, which will soon be the animal's permanent home, will cover 64 hectares of land and include tropical marshland. |
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Willow Court is a sunken flooded area with willow trees and wetland vegetation, traversed and enclosed by a boardwalk. |
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Next, there's a marshy wetland crossed neatly by an X of mathematical-looking boardwalks. |
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Willow will be planted to shore up the banks of the River Devon and wetland created to soak up water on neighbouring hilltops. |
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The winery has a wetland centre in South Australia where it is also intended to release brush-tailed bettong and numbats later in the year. |
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Both kinds of Jacanas share common habitats, which are the jheels that support extensive, floating wetland vegetation. |
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The Bavarian Lodge offers nature tours into Williams Lake Glacial Canyon, a unique alpine wetland. |
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There is also an asphalt road to the small wetland Bolata north of the cape. |
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The addition of these features would make the books more useful to wetland delineators. |
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However, literature on North Slope wetland restoration suggests that objectives of revegetation are vague. |
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The plant associates are common widespread wetland species in the southeastern United States, and none were determined to be indicator species. |
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The saturated wetland deposits are susceptible to frost heave and subsequent damage to structures. |
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Bird-lovers are hoping a rare bittern rescued from starvation by a gun dog will start a new life in the north west's biggest wetland. |
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With the exception of the wetland species, dobsonflies are generally found in well-oxygenated lakes and streams. |
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Tolerance to anoxia is relevant to wetland species, rice cultivation and transient waterlogging of agricultural crops. |
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The Canadian tar sand deposits exist under an area of forest and wetland the size of Florida. |
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Specifically, the new view was that the public had a responsibility to protect wetland fauna and flora for its own sake and not just conserve it for a sustained yield. |
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Another plan used grey and black water output to construct a wetland. |
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Around the marsh is a vast wetland, where hygrophytes are in full bloom in summer, and wild animals live peacefully, including red foxes, Sika deer and sables. |
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This process is an important control in determining patterns of wetland establishment and subsequent internal physiographical evolution and biogeochemical processes. |
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For up to one month after deposition, detritivore feces contained higher bacterial counts and different abundances of bacterial groups than the surrounding soil in a peat-accumulating wetland. |
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A further third will be turned into wet pasture land and a third to wetland and reed beds in line with a plan approved by the Environmental Agency. |
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Future plans are to develop a wetland with a tea garden, a cultural village and picnic area, a nursery with water features, and conference facilities. |
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It can be found in a variety of open, sunny, wetland habitats including a pitcher plant bog, a wet calcareous outcrop and the edges of hardwood flood plain forests. |
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The area is a disturbed wetland, invaded by non-native melaleuca trees that have crowded out native flora and fauna. |
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Contained within the wetland basin are 264 species of freshwater fish. |
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Native wetland species including irises, water mint and marsh marigolds will give extra visual appeal, improved biodiversity and insulating qualities. |
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They live in grasslands, deserts, desert scrublands, wetland and woodland edges, shrubby habitat, arctic and alpine tundra, agricultural fields, urban and suburban areas. |
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Rivers of the Mackenzie Basin exhibit several seasonal flow patterns that include the nival, proglacial, wetland, prolacustrine, and regulated flow regimes. |
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Gaps in this wetland function similarly to those studied in a variety of upland forest types, by serving as sites of regeneration for intolerant species. |
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The diked and filled wetland proved incapable of growing grain. |
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Many wetland or riverine species are well-adapted to the low-oxygen conditions which naturally occur in their habitat, and some can tolerate several months of total anoxia. |
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Radium activity in pore water of wetland sediments often differs from the amount expected from local production, decay, and exchange with solid phases. |
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Testing of samples of deposited sediments in the riparian zone determined that agricultural activity in the watershed has caused increased sediment deposition to the wetland. |
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A southward depression of the treeline in favour of wet heaths, bogs and wetland tundra communities is also observed in northern oceanic environments. |
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Other, greener options, like wetland restoration or oyster reefs, could also help slow waves before they reach the city. |
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Then keep sheep out of all streams, or wetland until their fleece is dry. |
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The ranch family that sold us a slice of its empire, huddled in the shadows of Black Mountain, had used this wetland for three generations as its own private dump. |
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For example, a small piggery on flat land next to a wetland could have a much more significant environmental effect than a large extension to an existing coal mine. |
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Eventually peat builds up to a level where the land surface is too flat for ground or surface water to reach the centre of the wetland. |
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In the lowland tidewater and piedmont, yellow pines tend to dominate, with bald cypress wetland forests in the Great Dismal and Nottoway swamps. |
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Middleton BA Hydrochory, seed banks, and regeneration dynamics along the landscape boundaries of a forested wetland. |
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This is one of Scotland's last wetland sites and it attracts all sorts of birds, from herons to great crested grebes. |
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Pump-drained mucklands to produce crops like cabbage, lettuce, onions, and carrots are likely to still retain wetland hydrology. |
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A marsh is a wetland that is dominated by herbaceous rather than woody plant species. |
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Polish tarpans might also be the perfect animal for keeping wetland areas open. |
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Strong has ten years of field experience in Alaska as a wetland ecologist, hydrologist, and soil scientist. |
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Ninety-five percent of the species sampled in the reference wetland were hydrophytes and plant succession followed a centrifugal model. |
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The presence of Phragmites suggests the proximity of wetland, as does the occurrence of Carex, Juncus and Polygonum amphibium seeds. |
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The idea is to create a series of wetland environments along the length of the river, planted with common reed mace and bullrushes. |
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Afloat in orange cages on the coastal wetland, the featherless chirpers warn researchers of toxic fumes rising from oil. |
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Krevosky was also that the wetland the access road ran through was already filled with lythrum salicaria, better known as purple loosestrife. |
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Constructed wetland mesocosms for the treatment of diluted sugarcane molasses still-age from ethanol production using Pontederia sagittate. |
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Flood plains had disappeared, including the wetland where, as a child, she had watched brolgas dance. |
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Nadeau noted siltation in a small stream flowing into a wetland area where some siltation had also occurred. |
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The wetland habitat has become a premier site for smew and often holds several hundred coot. |
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Effects of grazing by chrysomelid beetles on two wetland herbaceous species. |
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The depression is filled with Late Glacial varved clays, which form most of the low-lying plain of the wetland. |
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Certain locations such as the local patch of forest, wetland and coast may be favoured according to the location and season. |
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Overall population numbers fluctuate widely and erratically depending on wetland conditions and breeding success across the continent. |
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When building their dams and lodges, beavers alter the paths of streams and rivers and allow for the creation of extensive wetland habitats. |
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A bird of wetland areas, it can be seen around lakes, rivers, ponds, marshes and on the sea coast. |
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The Broads are Britain's largest protected wetland and are home to a wealth of birdlife. |
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Ranging greatly in both size and geographic location, freshwater marshes make up the most common form of wetland in North America. |
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The world's largest wetland is the peat bogs of the Western Siberian Lowlands in Russia, which cover more than a million square kilometres. |
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London's wetland areas support nationally important populations of many water birds. |
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Once the peat has been extracted, it can be difficult to restore the wetland, since peat accumulation is a slow process. |
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There is also a confluence of several perennial streams with the Atoyac River that creates a wetland to the north and east of the urban center. |
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The delta is frozen tundra for about seven months of the year, but in May the region is transformed into a lush wetland for the next few months. |
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Savanna, scrubland and wetland constitute the remainder of Belize's land cover. |
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Much of the city was originally a wetland that was reclaimed over the decades to accommodate a burgeoning population. |
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The river channel links the remaining, but fragmented wetland areas and nature reserves, providing a refuge for native and migrant species. |
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Other managed wetland sites along the river include Beckingham Marshes, Croxall Lakes, Drakelow, and Willington Gravel Pits. |
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Another case is bifurcation, where the watershed is effectively in the river bed, a wetland or underground. |
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Rootless and adrift in its wetland habitat, the humped bladderwort preys on water fleas and other small invertebrates. |
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The wetland destruction was related to the conversion of the property to prepare it for blueberry farming. |
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The Hokersar wetland, situated at 16 kilometres north of Srinagar, is just one of the favoured destination for migratory birds. |
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Most of the angiospermous swamp trees that occurred in this wetland were uprooted. |
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Water bodies and wetland systems provide a habitat for many aquatic plants. |
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However, there are a number of important wetland sites which have protected status. |
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The lake may be infilled with deposited sediment and gradually become a wetland such as a swamp or marsh. |
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In the very last stages of succession, trees can grow in, eventually turning the wetland into a forest. |
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Peat forms in wetland conditions, where flooding obstructs the flow of oxygen from the atmosphere, slowing the rate of decomposition. |
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This slowly creates wetter conditions that allow the area of wetland to expand. |
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In freshwater situations, littoral zones occur on the edge of large lakes and rivers, often with extensive areas of wetland. |
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Hence, over time, dams can reduce the area of wetland from a broad littoral zone to a narrow band of vegetation. |
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Re-analysis of Bacon's Swamp historical flora supports the view that it was a significant wetland natural area and floristically unique in Central Indiana. |
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Aquatic and wetland plants of southeastern United States dicotyledons. |
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The wetland also boasts some 250 species of birds, including the southern screamer, the long-winged harrier, maguari and jabiru storks and the swallow-tailed kite. |
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Relationship between nitrifier and denitrifier community composition and abundance in predicting nitrous oxide emissions from ephemeral wetland soils. |
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Most of the Juncus species grow exclusively in wetland habitats. |
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An increase in pollen and spores from wetland plants such as cattails, sphagnum, sedge and quillwort suggests that there was more moisture available at the bog site. |
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Working closely with GFC, Oglethorpe Power replanted designated wetland areas with pond cypress, bald cypress, red maple, swamp chestnut oak and water tupelo trees. |
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Germany has announced draft regulations that would allow using hydraulic fracturing for the exploitation of shale gas deposits with the exception of wetland areas. |
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A binational team is studying whether running the Yuma Desalting Plant will affect Mexico's Cienega de Santa Clara, the largest wetland on the Colorado River Delta. |
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At RSPB Malltraeth, a glossy ibis is feeding in the wetland channels, while the lesser yellowlegs is in its fifth week on the Alaw estuary, Llanfachraeth. |
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Early sections of the text set out wetland definitions and criteria, describe methods in wetland research, and detail wetland hydrology, soil, vegetation, and wildlife. |
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In 2001, the Kent Wildlife Trust with the Wildwood Trust and Natural England imported two families of Eurasian beavers from Norway to manage a wetland nature reserve. |
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The beavers continue to help restore the wetland by rehydrating the soils. |
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The western side towards the Dee Estuary was marsh and wetland habitats. |
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Fast-growing, fast-spreading phragmites, which most of us know as common reeds, can present a major problem in freshwater and tidal wetland habitats. |
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A wetland called Utopia has been designed for birds to nest in. |
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The dog was domesticated because of its benefits during hunting, and the wetland environments created by the warmer weather would have been a rich source of fish and game. |
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The littoral zone may form a narrow or broad fringing wetland, with extensive areas of aquatic plants sorted by their tolerance to different water depths. |
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The site will provide a potential safe-guard area for Tennessee yellow-eyed grass, a federal endangered wetland plant of the Limestone Ridge and Valley Province. |
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Marsh terns construct floating nests from the vegetation in their wetland habitats, and a few species build simple nests in trees, on cliffs or in crevices. |
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