نتایج جستجو برای: benthic community structure

تعداد نتایج: 1903817  

Journal: :Academia Journal of Biololy 2021

Mangroves are a diverse and rich ecosystem, in which many animals associated, including benthos. Species composition occurrence of these driven by the mangroves tidal conditions. To examine how benthic animal is distributed mangrove habitats from northern Vietnam, two surveys 2019 were conducted Tien Hai Wetland Nature Reserve, resulted total 89 species, belonging to 56 genera 35 families zoobe...

2018
Quinn R Ollivier Edward Hammill David J Booth Elizabeth M P Madin Charles Hinchliffe Alastair R Harborne Catherine E Lovelock Peter I Macreadie Trisha B Atwood

Benthic fauna play a crucial role in organic matter decomposition and nutrient cycling at the sediment-water boundary in aquatic ecosystems. In terrestrial systems, grazing herbivores have been shown to influence below-ground communities through alterations to plant distribution and composition, however whether similar cascading effects occur in aquatic systems is unknown. Here, we assess the r...

Journal: :Environmental monitoring and assessment 1991
L M Chou S Sudara V Manthachitra R Moredee A Snidvongs T Yeemin

Changes in the fringing coral reef community of a small island (Ko Nok) at Pattaya Bay, Gulf of Thailand, were examined at the beginning and at the end of a 3-year period using 7m×7m permanent quadrats for benthic organisms, and visual census along 100m transects for fish. The coral community was dominated by Porites lutea in terms of colony number and areal cover throughout the period. Variati...

2016
Fengqing Li Narayan Shah Steffen U. Pauls Xiaodong Qu Qinghua Cai Ram Devi Tachamo Shah Kevin B. Strychar

Climate warming threatens biodiversity at global, regional and local levels by causing irreversible changes to species populations and biological communities. The Himalayan region is highly vulnerable to climate warming. This calls for efficient environmental management strategies because biodiversity monitoring is costly, particularly for the developing countries of the Himalaya. Species distr...

Journal: :Marine pollution bulletin 2013
Kevin Reine Douglas Clarke Gary Ray Charles Dickerson

Numerous pits in coastal waters are subject to degraded water quality and benthic habitat conditions, resulting in degraded fish habitat. A pit in Barnegat Bay, New Jersey (USA) was partially filled with dredged sediment to increase flushing, alleviate hypoxia, and enhance benthic assemblages. Restoration objectives were assessed in terms of benthic community parameters and fishery resource occ...

Journal: :Helgoländer Meeresuntersuchungen 1995

2007
Bart Veuger Bradley D. Eyre Damien Maher Jack J. Middelburg

We performed a 15N-labeling study to investigate nitrogen incorporation and retention by the benthic microbial community (bacteria and benthic microalgae) and fauna in the intertidal sediment of the subtropical Australian Brunswick Estuary. The main experiment involved an in situ 15N pulse–chase experiment. After injection of 15NH z4 into the sediment, 15N was traced into bulk sediment, total h...

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