Results 121 to 130 of about 10,572 (222)

Composition and Structure of the Zooplankton in Coastal Waters of Mauritania in Winter [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2012
In the coastal waters of Mauritania three stable zooplankton community 1) community upwelling zones cape Cap Blanc, situated in the north of the study area; 2) community neritic zone in the highly productive coastal area; 3) community oceanic zones ...
Oksana G. Glushko   +1 more
doaj  

Mesozooplankton Graze on Cyanobacteria in the Amazon River Plume and Western Tropical North Atlantic

open access: yesFrontiers in Microbiology, 2017
Diazotrophic cyanobacteria, those capable of fixing di-nitrogen (N2), are considered one of the major sources of new nitrogen (N) in the oligotrophic tropical ocean, but direct incorporation of diazotrophic N into food webs has not been fully examined ...
Brandon J. Conroy   +6 more
doaj   +1 more source

Intercomparison of five nets used for mesozooplankton sampling

open access: yesMediterranean Marine Science, 2015
Intercomparison of nets commonly used for mesozooplankton sampling in the Black and Mediterranean seas was attempted within SESAME (Southern European Seas: Assessing and Modelling Ecosystem Changes) project. Five nets were compared: three Juday nets equipped with 150 μm, 180 μm and 200 μm mesh size, Nansen net (100 μm mesh size) and WP2 (200 μm mesh ...
ALTUKHOV, D.   +7 more
openaire   +3 more sources

Variability of plankton communities in relation to the lunar cycle in oceanic waters

open access: yesFrontiers in Marine Science
The short-term variability of plankton communities in the oceanic realm is still poorly known due to the paucity of high-resolution time-series in the open ocean.
Santiago Hernández-León   +9 more
doaj   +1 more source

The Westerschelde estuary: two food webs and a nutrient rich desert [PDF]

open access: yes, 2003
Hummel et al. (1988) hypothesised the concomitant existence of two separate food chains in the Westerschelde: a photo-autotrophic coastal food chain in the marine part and a heterotrophic chain in the brackish part.
Cattrijsse, A.   +6 more
core  

Seasonal Dynamics and Trophic Impact of Mesozooplankton in the Shannon River Estuary System, Ireland

open access: yesJournal of Marine Science and Engineering
Mesozooplankton (netplankton > 250 µm) were sampled during nine cruises over one year at three stations in the Shannon estuary system, Ireland. A net with three mesh sizes was used to capture a wider range of plankton sizes than a standard single-mesh ...
Ian R. Jenkinson, Tom H. Ryan
doaj   +1 more source

Effects of climate on size structure and functioning of aquatic food webs [PDF]

open access: yes, 2010
In aquatic food webs, the role of body size is notoriously strong. It is also well known that temperature has an effect on body size. For instance, Bergmann’s rule states that body size increases from warm to cold climates.
Lacerot, G.
core  

Throughflow centrality is a global indicator of the functional importance of species in ecosystems

open access: yes, 2012
To better understand and manage complex systems like ecosystems it is critical to know the relative contribution of system components to system functioning. Ecologists and social scientists have described many ways that individuals can be important; This
Abarca-Arenas   +129 more
core   +1 more source

Small-scale distribution of the mesozooplankton in a tropical insular system

open access: yesBrazilian Journal of Oceanography
In the present work, spatial and seasonal fluctuations of the abundance and diversity of mesozooplankton are presented, with special attention being given to copepod assemblages from coastal area of the Fernando de Noronha Archipelago (FNA) (3°50'24''S ...
Renata Polyana de Santana Campelo   +9 more
doaj   +1 more source

Seasonal changes in the population dynamics of Aurelia aurita in Thau lagoon [PDF]

open access: yes, 2012
Seasonal dynamics of the scyphomedusae, Aurelia aurita, was investigated twice a month from January 2010 to June 2011 and related to environmental conditions in Thau lagoon, southwestern Mediterranean Sea.
Daly Yahia   +4 more
core  

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