Wetlands
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Water Level and Groundwater Dynamics across a Sandur-Wetland Landscape in Response to Seasonal and Episodic Events, South-East Iceland
Wetlands - Tập 41 - Trang 1-17 - 2021
A 2.5 km stretch of a sandur (glacial outwash plain) neighbouring a wetland in South-east Iceland was monitored from 1 September 2015 to 2 September 2016. Improved understanding of the hydrological regime at this sandur-wetland boundary is warranted as local farmers are losing ground to the frequent flooding of their wet meadows despite the existence of elevated berms. A series of water wells were...... hiện toàn bộ
Three Responses of Wetland Conditions to Climatic Extremes in the Prairie Pothole Region
Wetlands - Tập 36 - Trang 357-370 - 2016
Wetlands in central North Dakota were revisited after 50 years to assess changes following extreme drought and a prolonged wet period. We compared data collected during 1961–1966 to current (2013–2014) wetland conditions. We revisited 80 wetlands in 2013 and 2014 across three study areas and measured wetland area, ponded-water depth, and specific conductance. Wetlands at the three study areas resp...... hiện toàn bộ
Breeding bird territory placement in riparian wet meadows in relation to invasive reed canary grass, Phalaris arundinacea
Wetlands - Tập 27 - Trang 644-655 - 2007
Invasive plants are a growing concern worldwide for conservation of native habitats. In endangered wet meadow habitat in the Upper Midwestern United States, reed canary grass (Phalaris arundinacea) is a recognized problem and its prevalence is more widespread than the better-known invasive wetland plant purple loosestrife (Lythrum salicaria). Although resource managers are concerned about the effe...... hiện toàn bộ
Pesticides, Including Neonicotinoids, in Drained Wetlands of Iowa’s Prairie Pothole Region
Wetlands - - 2016
Approximately 95 % of nearly 4 million acres of wetlands located in Iowa’s portion of the Prairie Pothole Region (Des Moines Landform Region) are currently drained and farmed for row-crop agriculture. Many of these wetland basins are too wet to produce consistent crop yields and too dry to function as ecologically intact wetlands. Little information currently exists that documents what, if any val...... hiện toàn bộ
Short-Term Effect of Exogenous Nitrogen on N2O Fluxes from Native and Invaded Tidal Marshes in the Min River Estuary, China
Wetlands - Tập 39 - Trang 139-148 - 2018
Tidal marshes play an important functional role in removing nitrogen (N) pollution before delivery to coastal and ocean systems; however, little is known about their removal capacity as N2O gas emissions from different plant species. To evaluate the effects of N inputs on N2O emissions from tidal marshes, we measured N2O fluxes from native (Cyperus malaccensis) and invaded (Spartina alterniflora) ...... hiện toàn bộ
Slow Recovery of Mire Vegetation from Environmental Perturbations Caused by a Heat Wave and Experimental Fertilization
Wetlands - - 2015
We monitored vegetation changes in an alpine mire after stopping an experiment of nutrient addition, during which the mire experienced a heat wave. We aimed at assessing the capacity of mire vegetation to recover towards the original state. Nitrogen and phosphorus were added during the growing seasons of 2002–2009. We recorded periodically the cover of all vascular plant species and moss species f...... hiện toàn bộ
Erratum to: Multiple Scales of Influence on Wetland Vegetation Associated with Headwater Streams in Alaska, USA
Wetlands - Tập 32 - Trang 423-423 - 2012
The Impact of Pulsing Hydrology and Fluctuating Water Table on Greenhouse Gas Emissions from Constructed Wetlands
Wetlands - Tập 31 - Trang 1023-1032 - 2011
Intermittent loading is often used in constructed wetlands (CW) to improve water purification capacity, however, little is known of its impact on greenhouse gas (GHG) emissions.. We studied GHG fluxes in three CWs for municipal wastewater treatment in Estonia: the hybrid CW in Kõo had an intermittently loaded (8–10 pulses a day) vertical subsurface flow (VSSF) filter and a horizontal subsurface fl...... hiện toàn bộ
Macroinvertebrate response to marsh management strategies in Utah
Wetlands - Tập 12 - Trang 72-78 - 1992
We examined the response of aquatic macroin vertebrates to three marsh management strategies. The three management practices compared were conventional full pool management, full pool management with carp(Cyprinus carpio) control, and controur furrowing (also with carp control). Significant differences in standing crops (both numbers and biomass) of invertebrates were observed among the three mana...... hiện toàn bộ
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