‘Dual Purpose’ Surface Flow Constructed Treatment Wetlands Support Native Biodiversity in Intensified Agricultural Landscapes
نویسندگان
چکیده
In agricultural landscapes, free-water surface flow wetlands (FWS) are constructed mainly to improve water quality; however, their contribution biodiversity conservation is increasingly recognised. To inform management in FWS treating runoff, we surveyed the vegetation and fauna assemblages five established a lowland, pastoral landscape central North Island, New Zealand. The had been for between 3 19 years, planted with restricted range of native plant species, fenced exclude livestock access. Larger hosted significantly more mammal species. However, other than wetland size, found few significant relationships habitat, characteristics, measures (total proportion number specialists, or threatened species). We recorded one-hundred thirteen plant, twenty bird, mammal, eighty-five terrestrial invertebrates, forty-seven aquatic six fish, two amphibian species inhabiting FWS. Native comprised 96% total invertebrate identified. For taxa, flora accounted half less all identified: 53% 50% 45% birds, 32% plants, 0% Few specialists (aquatic wetland-adapted) were detected, probably reflecting limited initial plantings difficulties taxa face when colonising new habitat where potential reservoirs colonist also depauperate too distant. support biodiversity, but further enhancements may require active exotic pest minimise competition predation on
منابع مشابه
Recirculating Vertical Flow Constructed Wetlands
In parts of the United States where soils are very permeable, conventional septic tank and absorption field systems are considered the largest contributor to waterborne disease and pollution of water bodies. However, an economical, recirculating vertical flow (RVF) constructed wetland, used as a pretreatment system, can significantly improve the performance of conventional onsite wastewater tre...
متن کاملPathogen Removal by Agricultural Constructed Wetlands in Cold Climates
Constructed treatment wetlands have been found to remove fecal coliform (FC) through a variety of mechanisms. This research evaluated the removal of FC in both warm and cold seasons from surface flow treatment wetlands in Bible Hill, Nova Scotia. Two wetlands (100 m), of differing depths were monitored over a 17 month period. The wetlands were loaded with dairy wastewater (average inlet FC conc...
متن کاملReciprocating constructed wetlands for treating industrial, municipal and agricultural wastewater.
Scientists at the Tennessee Valley Authority (TVA), and in collaboration with the U.S. Environmental Protection Agency (EPA), are continuing to develop and refine an innovative wastewater treatment system referred to as reciprocating subsurface-flow constructed wetlands. Reciprocation relates to patented improvements in the design and operation of paired subsurface-flow constructed wetlands, su...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Water
سال: 2023
ISSN: ['2073-4441']
DOI: https://doi.org/10.3390/w15142526