نتایج جستجو برای: sphyrna lewini
تعداد نتایج: 205 فیلتر نتایج به سال:
As coastal species experience increasing anthropogenic pressures there is a growing need to characterise the ecological drivers of their abundance and habitat use, and understand how they may respond to changes in their environment. Accordingly, fishery-independent surveys were undertaken to investigate shark abundance along approximately 400 km of the tropical east coast of Australia. Generali...
This study describes the first potential multi-species shark nursery area in Atlantic Africa (Sal Rei Bay – SRB, Boa Vista Island, Cabo Verde). From August 2016 to September 2019, 6162 neonates and juveniles of 5 different species were observed SRB using beach gillnet-based bycatch surveys, namely milk ( Rhizoprionodon acutus ; n= 4908), scalloped hammerhead Sphyrna lewini 1035), blacktip Carch...
Elasmobranchs are declining worldwide due to overfishing. In developing countries and island states in tropical regions, small-scale recreational fisheries can significantly impact the dynamics of neritic species. We investigated elasmobranch diversity at Reunion Island, a marine biodiversity hotspot Western Indian Ocean. Combining information from literature, catches local shark control progra...
This study aimed at assessing the growth and mortality parameters of Prionace gluaca Sphyrna lewini shark species from coast Ghana. Data was taken for nine (9) months April 2021 to December 2021. The length data analyzed estimation population using FiSAT II tool. From results, estimated asymptotic (L∞) rate (K) P. glauca S. were 396.4 cm 0.27 yr–1 349.1 0.24 respectively, indicating that these ...
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