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Content with tag wetland ecology .

Apple snail control does not cause many of the declines of waterbird abundance in the Ebro Delta Natural Park

Apple snail control does not cause many of the declines of waterbird abundance in the Ebro Delta Natural Park
A study led by the Doñana Biological Station (EBD-CSIC) and the Pyrenean Institute of Ecology (IPE-CSIC) concludes that stopping winter floods of rice field in the Ebro Delta, a management to control the invasion of the apple snail, have not had an impact to date on the abundance of many waterbirds species wintering in the area.
This apple snail control has been highly controversial due to its potential side effects on waterbird conservation. However, by assessing long series of...
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actualidad wetland ecology biological invasions wetlands ebro delta invasive species management pomacea maculate agri-environmental schemes caracol manzana 13/01/22

Gulls and storks contribute to the dispersal of exotic invertebrate species between ricefields and protected areas

Gulls and storks contribute to the dispersal of exotic invertebrate species between ricefields and protected areas
Scientists from Doñana Biological Station – EBD-CSIC have studied the role of waterbirds in the dispersion of invertebrates between habitats. The study has taken place in seven sites in Andalucia with different degrees of anthropogenization: Doñana ricefields, Celtina and Punta Entina saltpans in Almeria, Fuente de Piedra lake in Malaga, and three landfills sites in Huelva, Sevilla, and Córdoba. This new study shows the capacity of waterbirds to disperse freshwater invertebrates,...
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actualidad ciconia ciconia wetland ecology biological invasions doñana endozoochory dispersal larus fuscus 20/12/21

Functional diversity of macroinvertebrates as a tool to evaluate wetland restoration

Functional diversity of macroinvertebrates as a tool to evaluate wetland restoration
A scientific team has studied the functional diversity of macroinvertebrate communities in 32 Mediterranean temporary ponds six to seven years after their creation during restoration in Doñana, and compared them with 10 natural reference sites during two consecutive hydroperiods.
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actualidad wetland ecology artificial wetlands invertebrates 15/10/21

Seagulls act as vectors of metals and arsenic between landfills and protected wetlands

Seagulls act as vectors of metals and arsenic between landfills and protected wetlands
Researchers from the Doñana Biological Station assessed the spatial variation in concentrations of ten metals in faeces of the lesser black-backed gull (Larus fuscus) wintering at seven localities in South-West Spain. They found high concentrations of metals in gull faeces, with several elements (arsenic, copper, molybdenum, lead and zinc) locally exceeding (by 2 to 11 times) derived Lowest Effect Level (LEL) values.
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actualidad wetland ecology heavy metals gulls landfills larus fuscus ricefields faeces shallow lakes 03/03/21

Doñana's water quality, in danger due to intensive agriculture and a poor residual water treatment

Doñana's water quality, in danger due to intensive agriculture and a poor residual water treatment
Eutrophication is a major cause of wetland degradation worldwide. In recent decades, reductions in nutrient inputs have led to improvements in water quality in many rivers and lakes in central and northern Europe, but long-term trends are less clear in southern Europe. The Doñana Biological Station conducted the first comprehensive study of water quality in Doñana, one of the most important wetland complexes in Europe and the Mediterranean region.
The core area of Doñana is a large...
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actualidad wetland ecology agriculture eutrophication water quality greenhouses 25/01/21
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