Browsing Dokümanı Olanlar by Subject "Balıkçılık"
Now showing items 1-8 of 8
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A comparison of market landings during fish spawning seasons to better understand the effectiveness of the temporal fishery closure in Turkey
(2020)Seasonal fishery closures are an input control measure to reduce fishing pressure on spawning stocks in fisheries management. Despite the huge foregone economic losses from such closures, the efficacy of them has yet ... -
A new approach for estimating stock status from length frequency data
This study presents a new method (LBB) for the analysis of length frequency data from commercial catches. LBB works for species that grow throughout their lives, such as most commercially-important fish and invertebrates, ... -
Estimating stock status from relative abundance and resilience
The Law of the Sea and regional and national laws and agreements require exploited populations or stocks to be managed so that they can produce maximum sustainable yields. However, exploitation level and stock status are ... -
First Large-Scale Eastern Mediterranean and Black Sea Stock Assessment Reveals a Dramatic Decline
The Mediterranean Sea is classified as a “data-poor” region in fisheries due to its low number of assessed stocks given its biodiversity and number of exploited species. In this study, the CMSY method was applied to assess ... -
İskenderun Körfezi Yakın Çevresi Derin Deniz Trol Balıkçılığında Av Miktarları
Çalışmada, 2010 yılında dört periyotta, 200 – 800 m derinlik aralığındakiderinliklerde 28 trol çekimi gerçekleştirilmiştir. Toplam 60 saatlik trol çekimisonucunda 949 kg’ı ticari olarak değerlendirilen yaklaşık 2040 kg ... -
Stock dynamics and predator-prey effects of bonito and bluefish as top predators in the Black Sea
(2020)This study uses surplus production model based methods for data-poor stocks (BSM and CMSY) to assess the stocks and estimate key reference points of bonito and bluefish in the Black Sea. Our results demonstrate that the ... -
Stomach content of three batoid species in the Sea of Marmara of the North-eastern Mediterranean
(2020)The feeding habits and trophic levels of three uncommon batoid species (Dasyatis pastinaca, Myliobatis aquila, Torpedo marmorata) were investigated in the Sea of Marmara, with two different methodical approaches: stomach ... -
The lost fish of Turkey: A recent history of disappeared species and commercial fishery extinctions for the Turkish Marmara and Black Seas
(2020)A timeline of commercial fisheries extinctions and a list of threatened or extirpated marine species are presented to document the rapidly declining abundance of marine resources in the Turkish part of the Black Sea and ...