Results 21 to 30 of about 500,161 (345)

Fast but transient recovery of aquatic and terrestrial communities after a large dam removal

open access: yesFrontiers in Ecology and Evolution, 2023
IntroductionEcological restoration through dam removals receives increasing attention from scientists, environmental managers and policy makers. However, most dam removal projects focus on small structures (< 10 m in height) and on few ecosystem ...
Olivier Dézerald   +11 more
doaj   +1 more source

A harmonized chemical monitoring database for support of exposure assessments

open access: yesScientific Data, 2022
Measurement(s) occurrence of chemicals in environmental and biological media Technology Type(s) mass spectrometry (curation of public data) Sample Characteristic - Organism Homo sapiens • aquatic invertebrates • aquatic vertebrates/mammals • birds • fish
Kristin K. Isaacs   +12 more
doaj   +1 more source

Insecticide Effects on Normal Development and Hatch of Embryos of \u3ci\u3eParatanytarsus Parthenogeneticus\u3c/i\u3e (Diptera: Chironomidae) [PDF]

open access: yes, 2017
Simple, low cost methods are needed to determine the effect of pesticides on non-target aquatic organisms. In this report, embryos of Paratanytarsus parthenogenetic us were exposed from deposition to hatch to five pesticides.
Anderson, Richard L, Shubat, Pam
core   +2 more sources

Toxicological impacts of synthetic pyrethroids on non-target aquatic organisms: A review

open access: yesEnvironmental Advances, 2023
Synthetic pyrethroid (SP) insecticides are used extensively around the world in both agricultural and non-agricultural applications. Their toxicity to mammals is low, however, they have a high toxicity to invertebrates, fish and amphibians, including ...
Madara Ranatunga   +2 more
doaj   +1 more source

Ameliorating Effect of Chloride on Nitrite Toxicity to Freshwater Invertebrates with Different Physiology: a Comparative Study Between Amphipods and Planarians [PDF]

open access: yes, 2008
High nitrite concentrations in freshwater ecosystems may cause toxicity to aquatic animals. These living organisms can take nitrite up from water through their chloride cells, subsequently suffering oxidation of their respiratory pigments (hemoglobin ...
Alonso, A., Camargo, J.A.
core   +2 more sources

Water quality and ecological risks in European surface waters – Monitoring improves while water quality decreases

open access: yesEnvironment International, 2021
Aquatic ecosystems are at risk of being impaired by various organic chemicals, however comprehensive large-scale evaluations of waterbodies’ status and trends are rare.
Jakob Wolfram   +4 more
doaj   +1 more source

Combined stable isotope and gut contents analysis of food webs in plant-dominated, shallow lakes [PDF]

open access: yes, 2003
1. To determine feeding links between primary producers, invertebrates and fish, stable isotope analyses and gut content analyses of fish were conducted on the components of four shallow, eutrophic to hypertrophic, plant-dominated lakes. 2.
Adams   +45 more
core   +1 more source

Food-web structure in relation to environmental gradients and predator-prey ratios in tank-bromeliad ecosystems [PDF]

open access: yes, 2013
Little is known of how linkage patterns between species change along environmental gradients. The small, spatially discrete food webs inhabiting tank-bromeliads provide an excellent opportunity to analyse patterns of community diversity and food-web ...
A Compin   +46 more
core   +8 more sources

Coupling interaction between biodiversity and aquatic habitat area in Western Route Project vicinity

open access: yesWater Science and Engineering, 2010
The Western Route of the South-to-North Water Transfer Project will divert water from the upper Yangtze River and its tributaries, the Dadu River and Yalong River, to the upper Yellow River.
Shi-min Tian   +3 more
doaj   +1 more source

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