Results 21 to 30 of about 490,335 (309)
Feasibility of monitoring of the littoral fish assemblages at the reserved water areas (Karadag Nature Reserve, Crimea) by methods of visual estimation and video recording involving data of fish catch statistics of fishing companies and recreational ...
Vladimir I Maltsev
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Fishers’ local ecological knowledge (LEK) can be used to reconstruct or supplement long-term trends in heavily exploited population or poorly assessed species with low biomass.
Hadayet Ullah +10 more
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Catch crops are an effective method for reducing nitrogen (N) leaching in agriculture, but the mineralization of incorporated catch crop residue N is difficult to predict and model. We conducted a five-month incubation experiment using fresh residue from
Jorge Federico Miranda-Vélez +1 more
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A fish stock assessment model using survey data when estimates of catch are unreliable [PDF]
Methods of assessment that depend upon commercial catch data can be undermined by misreporting or where parts of the catch, such as discards, are not accounted for.
Cook, Robin
core +1 more source
‘Reported’ versus ‘likely’ fisheries catches of four Mediterranean countries
The fisheries catch statistics that member countries report annually to the Food and Agriculture Organization of the United Nations were compared, for the years 1950 to 2010, with ‘reconstructed’, and more likely catch data from the Mediterranean coasts ...
Daniel Pauly +4 more
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The Value of Statistical Life: Pursuing the Deadliest Catch [PDF]
Observed tradeoffs between monetary returns and fatality risk identify estimates of the value of a statistical life (VSL), which inform public policy and quantify preferences for environmental quality, health and safety. To date, few investigations have estimated the VSL associated with tradeoffs between returns from natural resource extraction ...
Schnier, Kurt E. +2 more
openaire +2 more sources
Effects of hydro-climatic fluctuations on catchability of fish in Vavuniya reservoir, Sri Lanka
Catch assessment and frame survey were performed to estimate the species wise and total catch in the Vavuniya reservoir along with hydro-climatic factors.
A.E.S. Patrick +2 more
doaj +1 more source
Are narwhals critical for the meat supply in East Greenland?
In East Greenland, the recommendations for the closure of the narwhal (Monodon monoceros) hunt coincide with a pressing demand to continue hunting for meat to supply local communities. By analysing catch statistics and estimating average meat yields, the
Mads Peter Heide-Jørgensen
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Catch history and status of the harbour seal (Phoca vitulina) in Greenland
The number of harbour seals (Phoca vitulina) in West Greenland declined rapidly after the 1950s and the seals have now abandoned their traditional haulout locations along the Greenland west coast.
Aqqalu Rosving-Asvid
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What fish and how many there are in Danube Delta? [PDF]
The real figure of fish fauna and fishery of the Danube delta is difficult to be estimated due to the limitation in fish sampling and underreporting of catch. This paper proposes to compare output of fish sampling with commercial catch statistics.
NĂVODARU Ion, NĂSTASE Aurel
doaj

