Results 41 to 50 of about 968,453 (286)

COMPARATIVE STUDY ON THE HORMONAL STIMULATION STERLET (ACIPENSER RUTHENUS, LINNAEUS, 1758) USING CARP HYPOPHYSIS AND ARTIFICIAL HORMONE TYPE NERESTIN 5-5A

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Starting from the particular sturgeon reproductive biology, propagation of technology through artificial comprises a number of phases required including: selection, parking broodstocks cell maturation and sexual stimulation in order fertilized their ...
R. C. DIMA   +4 more
doaj  

Fisheries statistical bulletin, Kainji Lake, northern Nigeria, 1997 [PDF]

open access: yes, 1998
The bulletin presents summary tables and charts on levels of fishing activity, fishing effort, yields and economic values of yields for the fisheries of Kainji Lake, Nigeria for the year 1997.

core  

Environmental and fishing effects on the dynamic of brown tiger prawn (Penaeus esculentus) in Moreton Bay (Australia)

open access: yes, 2013
This analysis of the variations of brown tiger prawn (Penaeus esculentus) catch in the Moreton Bay multispecies trawl fishery estimated catchability using a delay difference model. It integrated several factors responsible for variations in catchability:
Courtney, Anthony J.   +2 more
core   +1 more source

Plasmodium falciparum gametogenesis essential protein 1 (GEP1) is a transmission‐blocking target

open access: yesFEBS Letters, EarlyView.
This study shows Plasmodium falciparum GEP1 is vital for activating sexual stages of malarial parasites even independently of a mosquito factor. Knockout parasites completely fail gamete formation even when a phosphodiesterase inhibitor is added. Two single‐nucleotide polymorphisms (V241L and S263P) are found in 12%–20% of field samples.
Frederik Huppertz   +5 more
wiley   +1 more source

Spatial and Temporal Dynamics of Bentho-Demersal Communities From Bottom Trawl Across the Moroccan Mediterranean Coast in Relation to Environmental Conditions: Implications for Fisheries Management

open access: yesScientifica
Understanding the temporal and spatial patterns, as well as habitat preferences, of marine communities is crucial for interpreting ecosystem functioning and effectively protecting marine organisms’ resources. In this paper, we investigated the changes in
Douaa Slimani   +10 more
doaj   +1 more source

PHYSICO-CHEMICAL LIMITATIVE FACTORS FOR GROWTH AND DEVELOPMENT IN STERLET (ACIPENSER RUTHENUS LINNAEUS, 1758) IN EXTENSIVELY SYSTEM

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The oldest and most common method of increasing fish is a fish breeding ponds in which the supervision of nutrition and growth of biological material.
R. C. DIMA   +4 more
doaj  

Fishers perceptions of ecosystem service change associated with climate‐disturbed coral reefs

open access: yesPeople and Nature, 2021
Understanding ecosystem service change necessitates an understanding of the social and ecological dimensions of ecosystem services and how they contribute to the well‐being of different people. These empirical research gaps persist across the tropics and
Anna J. Woodhead   +7 more
doaj   +1 more source

PERBEDAAN PENDAPATAN PENANGKAPAN IKAN ANTARA KAPAL PURSE SEINE DAN KAPAL LINEFISHING (Sekoci) DI LOKASI RUMPON DI PERAIRAN TELUK PRIGI KECAMATAN WATULIMO KABUPATEN TRENGGALEK PROPINSI JAWA TIMUR [PDF]

open access: yes, 2007
This research was done at Prigi area Watulimo Sub-district Trenggalek residence at February 5th to 10th 2007.\ud This research aimed to find out the difference of fishing income at rumpon location with ‘purse seine’ and ‘line fishing’ tool by using ...
SUBEKHANA, EDY
core  

Evolution of global marine fishing fleets and the response of fished resources

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2019
Significance We independently reconstructed vessels number, engine power, and effort of the global marine fishing fleet, in both the artisanal and industrial sectors.
Y. Rousseau   +3 more
semanticscholar   +1 more source

The Intersection Between Illegal Fishing, Crimes at Sea, and Social Well-Being

open access: yesFrontiers in Marine Science, 2020
Illegal, unregulated, and unreported (IUU) fishing is a major contributor to global overfishing, threatening food security, maritime livelihoods, and fisheries sustainability.
M. Mackay, B. D. Hardesty, C. Wilcox
semanticscholar   +1 more source

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