8 results match your criteria Aquatic Ecology[Journal]

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Fishermen's knowledge and conservation attitudes: focus on the great cormorant (Linnaeus, 1758) in the Minho River, Portugal.

Aquat Ecol 2022 Jan 17:1-18. Epub 2022 Jan 17.

Department of Biology and CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Aveiro, 3810-193 Portugal.

Considerate the attitudes of traditional communities and their local ecological knowledge (LEK) can contribute to better policymaking and more appropriate management plans. Thus, this study strived to share the Minho River's fishermen LEK about great cormorant (Linnaeus, 1758), as well as it exposes their conservation attitudes towards this species. We described and analysed interviewees' LEK qualitatively, while their attitudes were analysed quantitatively through correlation with variables from fishermen's profile. Read More

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January 2022

Habitat destruction in wetland affects Ostracoda (Crustacea) species occurrence patterns amid different aquatic habitats.

Aquat Ecol 2022 Jan 6:1-14. Epub 2022 Jan 6.

Department of Biology, Faculty of Arts and Science, Bolu Abant İzzet Baysal University, Bolu, Turkey.

To outline influence of anthropogenic activities on natural aquatic habitats such as wetlands, we sampled ostracods along with measuring several different aquatic variables at four different aquatic bodies between 2019 and 2020 in the Hıdırşeyhler Village (Bolu, Turkey). We found 15 living and 10 subfossil ostracods. Species with high tolerances () and/or with swimming abilities () were reported from the canal and wetland. Read More

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January 2022

Macroinvertebrates at the source: flow duration and seasonality drive biodiversity and trait composition in rheocrene springs of the Western Allegheny Plateau, USA.

Aquat Ecol 2021 Sep;0

U.S. EPA Region 3, Laboratory Services and Applied Science Division, Field Services Branch 1060 Chapline St., Wheeling, WV 26003, USA.

Documenting flow regimes and the ecology of source headwater streams has gained considerable attention for scientific and regulatory purposes. These streams do not appear on standard maps, and local physiographic and climatologic conditions can control their origins. We investigated macroinvertebrate assemblages seasonally and in relation to flow duration, catchment and habitat variables within 14 source headwaters (< 1 ha) in the Western Allegheny Plateau over a 19-month period. Read More

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September 2021

The alien octocoral is a biogenic substrate multiplier in artificial Brazilian shipwrecks.

Aquat Ecol 2022 8;56(1):183-200. Epub 2021 Oct 8.

Programa de Pós-Graduação em Biodiversidade-PPGBio, Universidade Federal Rural de Pernambuco, Recife, Pernambuco Brazil.

Despite the obvious negative effects caused by invasive species, some recent studies have shown that the impacts at local scale are diverse and not necessarily negative. Arborescent benthic organisms such as octocorals form three-dimensional structures capable of increasing the amount of substrate available and providing shelter for epibiont species. We investigated the role of the alien octocoral on the diversity of benthic communities in three shipwrecks on the north-eastern coast of Brazil. Read More

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October 2021

Cyanobacteria-shrimp colonies in the Mariana Islands.

Aquat Ecol 2021 Jun 27;55(2):453-465. Epub 2021 Feb 27.

Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA.

Cyanobacteria have multifaceted ecological roles on coral reefs. , a chemically rich filamentous cyanobacterium, has been characterized as a pathogenic organism with an unusual ability to overgrow gorgonian corals, but little has been done to study its general growth habits or its unique association with the snapping shrimp . Quantitative benthic surveys, and field and photographic observations were utilized to develop a better understanding of the ecology of these species, while growth experiments and nutrient analysis were performed to examine how this cyanobacterium may be benefiting from its shrimp symbiont. Read More

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Employing a socio-ecological systems approach to engage harmful algal bloom stakeholders.

Aquat Ecol 2016 Sep 11;50(3):577-594. Epub 2015 Dec 11.

Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Sciences, 701 E. Pratt Street, Baltimore, MD 21202, USA.

Harmful algal blooms (HABs) pose substantial health risks to seafood consumers, drinking water supplies, and recreationalists with apparent increases associated with anthropogenic eutrophication of freshwaters and coastal areas. Attempts to intervene in these blooms can be met with reticence by citizens, non-governmental organizations, and officials, often due to local perceptions and beliefs. Hence, the social sciences have an important role to play in HAB research and mitigation. Read More

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September 2016

Niche segregation in two closely related species of stickleback along a physiological axis: explaining multidecadal changes in fish distribution from iron-induced respiratory impairment.

Aquat Ecol 2012;46(2):241-248. Epub 2012 Apr 21.

Experimental Zoology Group, Department of Animal Sciences, Wageningen University, De Elst 1, 6708 WD Wageningen, The Netherlands.

Acute exposure to iron can be lethal to fish, but long-term sublethal impacts of iron require further study. Here we investigated whether the spatial and temporal distribution (1967-2004) of two closely related species of stickleback matched the spatial distribution of iron concentrations in the groundwater. We used the 'Northern Peel region', a historically iron-rich peat landscape in The Netherlands as a case study. Read More

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Contrasting effects of ultraviolet radiation on the growth efficiency of freshwater bacteria.

Aquat Ecol 2011 Mar;45(1):125-136

Laboratory of Aquatic Photobiology and Plankton Ecology, Institute of Ecology, University of Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria.

In this study, we tested the hypothesis that the growth efficiency of freshwater bacteria is differentially affected by ultraviolet radiation (UVR, 280-400 nm) as mediated through changes in their production and respiration rates. Five bacterial strains affiliated to Alphaproteobacteria, Betaproteobacteria, Gammaproteobacteria, and Actinobacteria were isolated from different freshwater habitats and exposed in the laboratory to photosynthetically active radiation (PAR) and PAR + UVR, or kept in the dark for 4 h. Afterward, bacterial carbon production and respiration were assessed by measuring leucine incorporation and oxygen consumption rates, respectively. Read More

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