Results 51 to 60 of about 8,987,665 (156)

Fatty Acids as a Tool to Understand Microbial Diversity and Their Role in Food Webs of Mediterranean Temporary Ponds

open access: yesMolecules, 2014
Temporary Mediterranean ponds are complex ecosystems which support a high diversity of organisms that include heterotrophic microorganisms, algae, crustaceans, amphibians and higher plants, and have the potential to supply food and a resting place to ...
Carla C. C. R. de Carvalho   +1 more
doaj   +1 more source

Isotopic niche differs between seal and fish‐eating killer whales (Orcinus orca) in northern Norway

open access: yesEcology and Evolution, 2020
Ecological diversity has been reported for killer whales (Orcinus orca) throughout the North Atlantic but patterns of prey specialization have remained poorly understood.
Eve Jourdain   +5 more
doaj   +1 more source

A bacterial index to estimate lake trophic level: National scale validation

open access: yes, 2021
Lakes and their catchments have been subjected to centuries to millennia of exploitation by humans. Efficient monitoring methods are required to promote proactive protection and management.
Pearman, John K   +15 more
core   +1 more source

Rapid Spartina alterniflora removal reshapes bird communities via soil and macrobenthic pathways

open access: yesFrontiers in Ecology and Evolution
The invasion of Spartina alterniflora has caused widespread ecological disruption along coastal wetlands. In response, China launched a large-scale, physical S. alterniflora removal project.
Wenzhang Dai   +7 more
doaj   +1 more source

Diet Composition and Trophic Level of Greater Forkbeard Phycis blennoides (Gadiform: Phycidae) from the Algerian Coast

open access: yesCroatian Journal of Fisheries, 2018
The diet of the greater forkbeard Phycis blennoides (Brünnich, 1768) of the Algerian coast was studied between December 2013 and June 2015, providing information on its ecology for a better understanding of the feeding strategy.
Alioua Zakia   +6 more
doaj   +1 more source

Mercury bioaccumulation in the Mediterranean

open access: yesE3S Web of Conferences, 2013
This study details mercury pollution within the food chain of the Mediterranean by analysing the most comprehensive mercury dataset available for biota and water measurements.
Cinnirella S.   +4 more
doaj   +1 more source

Ontogenetic Variation in the Trophic and Mercury Levels of Japanese Anchovy in the High Seas of the Northwestern Pacific Ocean

open access: yesJournal of Marine Science and Engineering
The aim of this study was to explore the connection between growth and feeding ecology and mercury (Hg) levels in Japanese anchovy (Engraulis japonicus).
Long Chen   +5 more
doaj   +1 more source

Wing morphology is linked to stable isotope composition of nitrogen and carbon in ground beetles (Coleoptera: Carabidae)

open access: yesEuropean Journal of Entomology, 2015
As movement is expensive in terms of energy required, mobile animals might have to utilize more energy rich resources than less mobile animals. As mobile animals are possibly more effective foragers we hypothesize a positive correlation between mobility ...
Marcin ZALEWSKI   +7 more
doaj   +1 more source

Trophic model-generated indicators of the southern Benguela ecosystem for communicating with fisheries managers [PDF]

open access: yes, 2010
Includes abstract.Includes bibliographical references (leaves 112-121).An Ecosystem Approach to Fisheries (EAF) is the new management paradigm considered for ecosystems worldwide.
Osman, Wisaal
core   +1 more source

Freshwater fishes of Orissa, India

open access: yesJournal of Fisheries, 2018
Varied freshwater resources of Orissa blessed with diverse fish fauna. In total, 186 species of fishes belonging to 11 orders, 33 families and 96 genera were recorded from various freshwater bodies of Orissa. Cypriniformes was the most dominant order and
Havagiappa Sharnappa Mogalekar   +1 more
doaj  

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