Wetlands

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Monitoring Wetland Change Using Inter-Annual Landsat Time-Series Data
Wetlands - Tập 32 - Trang 1149-1162 - 2012
Nilam Kayastha, Valerie Thomas, John Galbraith, Asim Banskota
Successful conservation and management of wetlands requires up-to-date and accurate information on wetland location, size, condition, functionality, type, services provided, stressors and net change in extent. Most change detection studies utilize two date images to provide information on wetland dynamics. Comparison of infrequent imagery might not sufficiently capture natural variability in wetla...... hiện toàn bộ
Response of fishes to floodplain connectivity during and following a 500-year flood event in the unimpounded upper Mississippi River
Wetlands - Tập 26 Số 1 - Trang 244-257 - 2006
Valerie A. Barko, David P. Herzog, Martin T. O’Connell
A comparison of the vegetation and soils of natural, restored, and created coastal lowland wetlands in Hawai‘i
Wetlands - Tập 29 - Trang 1023-1035 - 2009
Meris Bantilan-Smith, Gregory L. Bruland, Richard A. MacKenzie, Adonia R. Henry, Christina R. Ryder
The loss of coastal wetlands throughout the Hawaiian Islands has increased the numbers of created (CW) and restored (RW) wetlands. An assessment of these wetlands has yet to occur, and it has not been determined whether CWs and RWs provide the same functions as natural wetlands (NWs). To address these concerns, vegetation and soil characteristics of 35 wetlands were compared within sites along hyd...... hiện toàn bộ
Hydrologic and water-quality characteristics of a Wetland receiving wastewater effluent in St. Joseph, Minnesota
Wetlands - Tập 9 - Trang 191-206 - 1989
Rob G. Brown, James R. Stark
Hydrologic and water-quality characteristics were determined for a wetland being used for tertiary treatment of wastewater in St. Joseph, Minnesota. The wetland consists of spruce-tamarack fen and a cattail marsh, with the wastewater being discharged into the fen, and the fen draining into the marsh. The wetland is underlain by flat-lying glacial outwash that ranges from 0 to greater than 20 m in ...... hiện toàn bộ
Effectiveness of compensatory wetland mitigation in Massachusetts, USA
Wetlands - Tập 21 - Trang 508-518 - 2001
Stephen C. Brown, Peter L. M. Veneman
This study describes the results of wetland construction projects designed to offset wetland losses authorized under the wetland regulatory program of the Commonwealth of Massachusetts, including analysis of 391 project files identified in the study period between 1983 and 1994 and 114 field sites. Detailed comparisons of replacement plant communities were made with remnant impacted wetlands when ...... hiện toàn bộ
Impact of urban development on the chemical composition of ground water in a fen-wetland complex
Wetlands - Tập 19 - Trang 236-245 - 1999
Samuel V. Panno, Victoria A. Nuzzo, Keros Cartwright, Bruce R. Hensel, Ivan G. Krapac
A 15-month-long hydrogeologic investigation of a fen-wetland complex in northeastern Illinois, USA indicated the encroachment of ground-water-borne anthropogenic contaminants into two of three high quality fens. Ground-water flow directions and chemical evidence indicated that plumes of ground water with anomalously large concentrations of Na− and Cl− originated from a private septic system and fr...... hiện toàn bộ
Evaluating the effects of wetland regulation through hydrogeomorphic classification and landscape profiles
Wetlands - Tập 19 Số 3 - Trang 477-489 - 1999
Stephanie E. Gwin, Mary E. Kentula, Paul W. Shaffer
Influence of Triangular Club-Rush Schoenoplectus triqueter on the Macrobenthic Community of the Hangzhou Bay, China
Wetlands - Tập 34 - Trang 489-499 - 2014
Ha Trieu Hung Liu, Peier Wang, Xiao Xia Tu, Jifang Yang, Ragnhild Asmus, Harald Asmus
This study focuses on the macrobenthic community of an unvegetated mudflat and that of a Schoenoplectus triqueter (synonym: Scirpus triqueter) marsh in the Southern Bank of the Hangzhou Bay, China. Samples were collected between April 2010 and January 2011 in order to evaluate possible effects of seasonality on the species composition for each habitat. Twenty-three species were found in each habit...... hiện toàn bộ
Salt cedar negatively affects biodiversity of aquatic Macroinvertebrates
Wetlands - Tập 21 - Trang 442-447 - 2001
Joseph K. Bailey, Jennifer A. Schweitzer, Thomas G. Whitham
Salt cedar (Tamarix ramossisima), an invasive species, has become a dominant shrub along many streams of the southwestern United States, where it has replaced many native species such as Fremont cottonwood (Populus fremontii). We examined whether the successful invasion of this exotic shrub alters stream leaf litter decomposition rates and affects the aquatic macroinvertebrates that are dependent ...... hiện toàn bộ
Sự phân bố và khác biệt hình thái giữa cây sậy bản địa và cây sậy du nhập (Phragmites australis, Poaceae) ở Tây Canada Dịch bởi AI
Wetlands - Tập 37 - Trang 819-827 - 2017
Geraldine A. Allen, Laurie J. McCormick, Johanna R. Jantzen, Kendrick L. Marr, Becky N. Brown
Phragmites australis (cây sậy thông thường) là một loại cỏ lâu năm phân bố rộng rãi trong các môi trường ngập nước, với các phân loài bản địa và du nhập khó phân biệt ở Bắc Mỹ. Chúng tôi đã xác định sự phong phú tương đối của các phân loài và phân bố của các haplotype DNA plastid ở British Columbia, Canada, tại giới hạn phân bố về phía tây bắc của cây sậy thông thường ở Bắc Mỹ. Trong số 203 mẫu đư...... hiện toàn bộ
#Phragmites australis #cây sậy #phân loài bản địa #phân loài du nhập #phân bố #hình thái học #haplotype #DNA plastid
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