Results 21 to 30 of about 498,360 (307)

The distribution of estuarine fish larvae: nutritional condition and co-occurrence with predators and prey [PDF]

open access: yes, 2000
Fish larvae were collected monthly between March and September 1997 in the Mira and Guadiana estuaries (southern Portugal). Hydrological parameters were registered and zooplankton samples were obtained simultaneously. Densities of fish larvae (ind.100 m(-
Antunes   +82 more
core   +2 more sources

The effects of parasitism and body length on positioning within wild fish shoals [PDF]

open access: yes, 2002
The influence of body length and parasitism on the positioning behaviour of individuals in wild fish shoals was investigated by a novel means of capturing entire shoals of the banded killifish (Fundulus diaphanus, Lesueur) using a grid-net that ...
A. J. W. Ward   +17 more
core   +2 more sources

Fish abundance with no fishing: predictions based on macroecological theory [PDF]

open access: yesJournal of Animal Ecology, 2004
SummaryFishing changes the structure of fish communities and the relative impacts of fishing are assessed usefully against a baseline. A comparable baseline in all regions is fish community structure in the absence of fishing.The structure of unexploited communities cannot always be predicted from historical data because fisheries exploitation usually ...
Jennings, Simon, Blanchard, Julia L.
openaire   +2 more sources

The Correlation of Coral Reef Cover and Rugosity with Coral Reef Fish Density in East Java Waters

open access: yesJurnal Ilmiah Perikanan dan Kelautan, 2020
Highlights • Coral cover, rugosity, and reef fish abundance was determined • The relationship between coral cover and rugosity and fish abundance was analyzed. • Coral cover in East Java were categorized as medium – good.
Wahyu Andy Nugraha   +3 more
doaj   +1 more source

Reef Fish Abundance in South Eleuthera

open access: yes, 2022
Poster created by students of The Island School semester research class of Fall ...
von der Schulenburg, Atalanta   +4 more
openaire   +1 more source

Distance from a fishing community explains fish abundance in a no-take zone with weak compliance [PDF]

open access: yes, 2015
There are numerous examples of no-take marine reserves effectively conserving fish stocks within their boundaries. However, no-take reserves can be rendered ineffective and turned into ‘paper parks’ through poor compliance and weak enforcement of reserve
Advani, Sahir   +4 more
core   +6 more sources

Marinas as habitats for nearshore fish assemblages: comparative analysis of underwater visual census, baited cameras and fish traps [PDF]

open access: yes, 2017
Understanding the ecological role that artificial structures might play on nearshore fish assemblages requires the collection of accurate and reliable data through efficient sampling techniques.
Bosch, Nestor E.   +3 more
core   +3 more sources

Recent Region-wide Declines in Caribbean Reef Fish Abundance [PDF]

open access: yesCurrent Biology, 2009
Profound ecological changes are occurring on coral reefs throughout the tropics, with marked coral cover losses and concomitant algal increases, particularly in the Caribbean region. Historical declines in the abundance of large Caribbean reef fishes likely reflect centuries of overexploitation.
Paddack, Michelle J.   +34 more
openaire   +4 more sources

Temporal comparison and predictors of fish species abundance and richness on undisturbed coral reef patches [PDF]

open access: yesPeerJ, 2015
Large disturbances can cause rapid degradation of coral reef communities, but what baseline changes in species assemblages occur on undisturbed reefs through time?
Elena L.E.S. Wagner   +4 more
doaj   +2 more sources

Design and evaluation of 16S rRNA sequence based oligonucleotide probes for the detection and quantification of Comamonas testosteroni in mixed microbial communities [PDF]

open access: yes, 2006
Background The β-proteobacterial species Comamonas testosteroni is capable of biotransformation and also biodegradation of a range of chemical compounds and thus potentially useful in chemical manufacturing and bioremediation.
Bathe, Stephan, Hausner, Martina
core   +1 more source

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