نتایج جستجو برای: benthic community

تعداد نتایج: 374263  

Journal: :Marine Ecology Progress Series 2008

2016
Louise Kregting Bjoern Elsaesser Robert Kennedy David Smyth Jack O’Carroll Graham Savidge

Arrays of tidal energy converters have the potential to provide clean renewable energy for future generations. Benthic communities may, however, be affected by changes in current speeds resulting from arrays of tidal converters located in areas characterised by strong currents. Current speed, together with bottom type and depth, strongly influence benthic community distributions; however the in...

2014
Erik Kristensen Matthieu Delefosse Cintia O. Quintana Mogens R. Flindt Thomas Valdemarsen

*Correspondence: Erik Kristensen, Department of Biology, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark e-mail: [email protected] We aim at identifying how ecosystem functioning in shallow estuaries is affected by rapid shifts in benthic fauna communities. We use the shallow estuary, Odense Fjord, Denmark, as a case study to test our hypotheses that (1) shifts in benthic fa...

2016
Tanya L. Rogers Jarrett E. Byrnes John J. Stachowicz

Consumption by native predators is an important means by which assemblages repel invasion by non-native species. This resistance may be compromised as the diversity and abundance of species at upper trophic levels continues to decline globally. We investigated whether consumptive biotic resistance by mobile benthic fauna could explain compositional differences between a highly invaded fouling c...

2012
Nichole N. Price Todd R. Martz Russell E. Brainard Jennifer E. Smith

Community structure and assembly are determined in part by environmental heterogeneity. While reef-building corals respond negatively to warming (i.e. bleaching events) and ocean acidification (OA), the extent of present-day natural variability in pH on shallow reefs and ecological consequences for benthic assemblages is unknown. We documented high resolution temporal patterns in temperature an...

2015
Corvin Eidens Torsten Hauffe Elisa Bayraktarov Christian Wild Thomas Wilke

*Correspondence: Corvin Eidens, Department of Animal Ecology and Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32 (IFZ), 35392 Giessen, Germany e-mail: corvin.eidens@ allzool.bio.uni-giessen.de †Present address: Global Change Institute, The University of Queensland, Brisbane, QLD, Australia Environmental processes acting at multiple spatial scales control benthic communit...

ژورنال: علوم آب و خاک 2006
عباس اسماعیلی, , محمدرضا احمدی, , احمد قانع, , علیرضا میرزاجانی, ,

Present study investigates macrobenthic invertebrates and their community structure in Chafrood river to classify and assess the study sites regarding the environmental anthropogenic factors. Along a 9 km distance, 8 study sites were selected, and macrobenthic were monthly sampled using a surber sampler (1600cm2, 250 μ mesh net) with 3 replicate at each station. Collected samples organisms were...

2014
Shuh-Sen Young Hsi-Nan Yang Da-Ji Huang Su-Miao Liu Yueh-Han Huang Chung-Ting Chiang Jin-Wei Liu

After decades of strict pollution control and municipal sewage treatment, the water quality of the Tanshui River increased significantly after pollution mitigation as indicated by the River Pollution Index (RPI). The pollution level of the estuarine region decreased from severe pollution to mostly moderately impaired. The most polluted waters are presently restricted to a flow track length betw...

Journal: :Ecology letters 2012
Takuya Sato Tomohiro Egusa Keitaro Fukushima Tomoki Oda Nobuhito Ohte Naoko Tokuchi Katsutoshi Watanabe Minoru Kanaiwa Isaya Murakami Kevin D Lafferty

Nematomorph parasites manipulate crickets to enter streams where the parasites reproduce. These manipulated crickets become a substantial food subsidy for stream fishes. We used a field experiment to investigate how this subsidy affects the stream community and ecosystem function. When crickets were available, predatory fish ate fewer benthic invertebrates. The resulting release of the benthic ...

2017
Lisa Mevenkamp Tanja Stratmann Katja Guilini Leon Moodley Dick van Oevelen Ann Vanreusel Stig Westerlund Andrew K. Sweetman

Citation: Mevenkamp L, Stratmann T, Guilini K, Moodley L, van Oevelen D, Vanreusel A, Westerlund S and Sweetman AK (2017) Impaired Short-Term Functioning of a Benthic Community from a Deep Norwegian Fjord Following Deposition of Mine Tailings and Sediments. Front. Mar. Sci. 4:169. doi: 10.3389/fmars.2017.00169 Impaired Short-Term Functioning of a Benthic Community from a Deep Norwegian Fjord Fo...

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