Results 41 to 50 of about 1,406 (181)

Effects of turbidity and introduced tilapia (Oreochromis spp) on macrophytes and invertebrates in a shallow tropical lake

open access: yesKnowledge and Management of Aquatic Ecosystems, 2023
Tropical freshwater wetlands are subject to multiple stressors but there is little information on which stressors cause wetland degradation. Increased turbidity is considered a major cause of degradation, but the effects of introduced fish are often ...
Rasoamihaingo Laurence Adel   +4 more
doaj   +1 more source

Points vs. passes: A comparison between electric fishing techniques for sampling fish populations in upland headwater streams

open access: yesJournal of Fish Biology, EarlyView.
Abstract Point‐abundance sampling by electric fishing (PASE) was compared with single‐pass (DF1) and triple‐pass depletion sampling (DF3) electric fishing on the same reaches of four headwater streams sampled over multiple years in the Ribble catchment, UK. Juvenile salmonids, mostly brown trout Salmo trutta with some Atlantic salmon S.
Reagan H. Pearce   +3 more
wiley   +1 more source

Vegetation trajectories over 150 years of temporary ponds created in the Camargue delta (Southern France)

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction Temporary ponds in the Mediterranean climate have a high conservation value, but many have been severely destroyed or degraded. Pond restoration and new pond creation have been engaged widely. Evaluations of the success of such operations are generally carried out over 10–15 years and show divergent results over this timeframe. In
Hugo Fontès   +5 more
wiley   +1 more source

Phosphorus loading and carp disturbance synergistically promote dominance of free-floating macrophytes over submerged plant competitors

open access: yesEcological Indicators
Freshwater ecosystems increasingly face free-floating macrophyte invasions, which suppress submerged vegetation and phytoplankton, threatening biodiversity and ecosystem functions.
Rui Zhou, Dong Luo, Lei Li
doaj   +1 more source

Submerged macrophytes mitigate direct and indirect insecticide effects in freshwater communities. [PDF]

open access: yesPLoS ONE, 2015
Understanding how ecological interactions mitigate the impacts of perturbations such as pesticides in biological communities is an important basic and applied question for ecologists.
William R Brogan, Rick A Relyea
doaj   +1 more source

Effects of restoration on macrophyte and macroinvertebrate ecological status and biodiversity in lowland streams in Denmark

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction Habitat restoration is applied to promote ecological recovery in degraded freshwater systems. However, it remains unclear whether stream restoration measures enhance Water Framework Directive (WFD) ecological status and biodiversity.
Lisbeth Dalsgaard Romme Henriksen   +3 more
wiley   +1 more source

Effects of ammonium pulse on the growth of three submerged macrophytes

open access: yesPLOS ONE, 2019
Ammonium pulse attributed to runoff of urban surface and agriculture following heavy rain is common in inland aquatic systems and can cause profoundly effects on the growth of macrophytes, especially when combined with low light. In this study, three patterns of NH4-N pulse (differing in magnitude and frequency) were applied to examine their effects on
Xiaoyao Tan   +6 more
openaire   +4 more sources

Endophytic bacteria enhance macrophyte resilience but reduce microbial network stability under eutrophication

open access: yesEcological Indicators
Lake eutrophication poses a serious threat to the biodiversity and ecosystem functions of submerged macrophytes. As symbiotic microorganisms of submerged macrophyte, endophytic bacteria can enhance plant’s stress resistance and promote its growth ...
Beibei Hao   +3 more
doaj   +1 more source

Influences of a submerged macrophyte on colony formation and growth of a green alga

open access: yesAquatic Biology, 2013
The effects of the submerged macrophyte Ceratophyllum demersum on the growth and morphology of the green alga Scenedesmus obliquus were assessed by conducting co-culture laboratory experiments (15 and 25°C, presence/absence of 3 g fresh wt of C. demersum
J Dong, JJ Lu, GB Li, LR Song
doaj   +1 more source

Restoration and rehabilitation of floodplain wetlands: a systematic, global review of restoration options and their outcomes

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction Floodplain wetlands are vitally important, highly productive, and biodiverse ecosystems. Species dependent on them are facing a range of threats including water extraction, habitat degradation, invasive species, and shifting climates.
Sally Maxwell   +4 more
wiley   +1 more source

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