Results 81 to 90 of about 656,262 (207)

Biological research of Grabia River - fifty years of activity [PDF]

open access: yes, 2005
Grabia, a small still close to natural conditions lowland river, has been an object of special interest for Łódź hydrobiologists for more than 50 years.
Siciński, Jacek, Tończyk, Grzegorz
core  

Checklist of Ichthyofaunal diversity of Nagaland, India

open access: yesJournal of Fisheries
The present review presents a checklist with an aim to review and summarize the results of the systematic researches on the freshwater resources including various rivers and aquatic resources of the north eastern state of Nagaland, India.
. Wewa-U   +2 more
doaj   +1 more source

Multiple scales of biological variability in New Zealand streams : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Ecology at Massey University, Manawatū, New Zealand [PDF]

open access: yes, 2016
Stream fish communities in Taranaki, New Zealand, were studied for the patterns and drivers of their spatial ecology. The study was focused on three main themes: a) complementarity between geography and landuse in driving regional distribution patterns ...
Jayasuriya
core  

Exploring intraspecific life history patterns in sharks [PDF]

open access: yes, 2006
Marine ecosystems compose the major source (85%) of world fisheries production (Garcia and Newton, 1997). Although only a few fish species tend to dominate fishery catches (Jennings et al., 2001), a large diversity of fishes representing varied ...
Cope, Jason M.
core  

Seasonal Abundance, Movement and Diversity of Fishes in an Ozark Stream [PDF]

open access: yes, 1981
Seasonal fluctuations in fish abundance in Mud Creek occurred throughout the year at all sampling stations. At the two upper stations abundance was high and unstable during winter and early spring and decreased after heavy rainfall in mid-April ...
Dewey, Michael R.
core   +2 more sources

Fish fauna of the River Engano in the counties of Irani, Ipumirim and Itá in Santa Catarina, southern Brazil [PDF]

open access: yesBiotemas, 2010
This study aimed to identify the species from the fish assemblage of the River Engano (SC) and to determine the attributes (richness and diversity) of the fauna.
Eduardo Cazuni do Amaral   +1 more
doaj  

Study of Ornamental Fish Diversity and Water Quality of Adda Hole Stream, Kabbinale Forest Range, Western Ghats [PDF]

open access: yes, 2013
Addahole stream belongs to Kabbinale forest of Gundia region. The water quality and ornamental fish diversity were examined. The stream water is fast and slow flowing with clear water and rocky, sandy, leafy substrate.
Prashanth, R.G.   +2 more
core  

Genetic Diversity of Antarctic Fish

open access: yes, 2014
Correct species identification is fundamental to all areas of biology, but particularly the policy related areas of conservation and fisheries management. To enable guidelines to be developed for environmental management and conservation, such identifications need links to studies of the evolutionary history, biological factors and environmental ...
openaire   +2 more sources

Fish diversity in two reservoirs in Southwest Nigeria [PDF]

open access: yes, 2010
This study investigated the fish diversity of Eko ? Ende and Owalla reservoirs, which are within the Osun river system in South West, Nigeria with a view to document biodiversity information needed for conservation and sustainable fisheries. Fish samples
Taiwo, Y.F.
core  

Benthic invertebrates that form habitat on deep banks off southern California, with special reference to deep sea coral [PDF]

open access: yes, 2006
There is increasing interest in the potential impacts that fishing activities have on megafaunal benthic invertebrates occurring in continental shelf and slope ecosystems.
Amend, Mark   +4 more
core  

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