Results 81 to 90 of about 2,945 (211)
Marine Mammal Science, Volume 41, Issue 4, October 2025.ABSTRACT Assessing variation in social behaviors of group‐living animals may provide insight into the impacts of population stressors. Using very high resolution (VHR) satellite imagery acquired over 3 years, we compared social group size and composition, as well as spatial and social cohesion in three beluga ( Delphinapterus leucas ) populations that ...
Jordan B. Stewart +3 more
wiley +1 more source
Estimating the population density of prawns by the use of catch per effort data from prawn trawlers at Chilaw [PDF]
, 1978 The penaeid prawns of Sri Lanka from estuaries and sea are an important commercial fishery resource. This resource has been exploited over the last century or more by local fishermen using indigenous fishing gear from locally sail-driven or oar-driven ...
Siddeek, M.S.M.
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Abundance of narwhals (Monodon monoceros) on the hunting grounds in Greenland [PDF]
Journal of Mammalogy, 2010 Narwhals (Monodon monoceros L.) occur in the Atlantic sector of the Arctic where for centuries they have been subject to subsistence hunting by Inuit in Greenland and Canada. Scientific advice on the sustainable levels of removals from narwhal populations provides the basis for quotas implemented in both Greenland and Canada.
M. P. Heide-JØrgensen +7 more
openaire +1 more source
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 9, September 2025.ABSTRACT Rapid warming in the Arctic is causing cumulative impacts on ecosystems, including widespread reduction in sea ice extent, resulting in shifts in primary production, which can have cascading bottom‐up trophic influences on marine food web structure and function. Understanding trophic interactions and the structure of local food webs across the
Reyd Dupuis‐Smith +9 more
wiley +1 more source
NAMMCO Scientific Publications, 2002 This paper is based on 748 observations of belugas (Delphinapterus leucas) and 382 observations of baleen whales in the Russian Arctic, the majority of the data provided by aerial reconnaissance of sea ice (ARSI).
Stanislav E Belikov, Andrei N Boltunov
doaj +1 more source
Prawn seed exploitation along Kakinada coast : a preliminary appraisal with a note on the brooder exploitation of Penaeus monodon [PDF]
, 1994 In recent times there is a steep increase in the exploitation of prawn seed in order to cater to the needs of prawn fanners along the Andhra Pradesh coast. There is demand mostly for seed P. monodon by the prawn farmers of this state.
Abbulu, V +8 more
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Introducing FAMM: An Open‐Access Database of Fossil Arctic Marine Mammals
Global Ecology and Biogeography, Volume 34, Issue 9, September 2025.ABSTRACT Motivation The Arctic is currently experiencing the strongest effects of climate change on Earth. These effects, including sea ice loss, are already modifying the ecologies of the 11 species of marine mammals found in the Arctic year‐round.
Nicholas A. Freymueller +5 more
wiley +1 more source
Status of the demersal fishery resources of Bangladesh [PDF]
The present study makes use of the fisheries survey data collected during the period 1984 - 87 by the multi-purpose research vessel RV Anusandhani in the waters of Bangladesh, Bay of Bengal.
Chowdhury, Z.A., Khan, A.A., Sada, N.U.
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Influence of lunar phases on fish landings by gillnetters and trawlers [PDF]
, 2012 Observations made on new moon, full moon and during both quarters revealed variations in total catch as well as individual species catch in gillnetters and trawlers.
Khan, S Ajmal, Libini, C L
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Extralimital record of a Narwhal (Monodon monoceros) in Hall's Bay, Newfoundland
The Canadian field-naturalist, 1979 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Merdsoy, Bora, Lien, Jon, Storey, Anne
openaire +1 more source