Results 41 to 50 of about 2,966 (181)

Testing site selection for seeding trials using hatchery reared juvenile Haliotis mariae Wood, 1828 along the western Dhofar coast, Arabian Sea, Sultanate of Oman [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2015
In order to test site selection and seeding methodology hatchery reared juvenile Haliotis mariae with an average shell-length 30-52 mm were seeded along the Dhofar coast during the winter months of the NE monsoon.
Schalk de Waal   +4 more
doaj  

Growth, migration and survival of lake reared juvenile anadromous Atlantic salmon Salmo salar L.

open access: yesFauna Norvegica, 1987
A release of 16.741 underyearlings of Atlantic salmon Salmo salar in Lake Storevatnet in the River Imsa system resulted in a downstream migration of 1.580 smolts. Most of the smolts were 2 years of age, but there was also a significant proportion of one
Lars P. Hansen
doaj   +1 more source

Seaweed restocking along the Chilean coast: History, present, and inspiring recommendations for sustainability

open access: yesFrontiers in Marine Science, 2023
Several seaweed species are commercialized worldwide both due to high demand for food and feed and as a raw material for the extraction of phycocolloids such as agar, carrageenan, and alginates that are used broadly in the food, cosmetic, and ...
Carolina Oyarzo-Miranda   +35 more
doaj   +1 more source

Addressing environmental misperceptions for nature recovery

open access: yesConservation Biology, EarlyView.
Abstract A poorly understood and systemic challenge to global conservation agreements is shifting baseline syndrome (SBS), wherein people misperceive the extent to which nature has changed. This can diminish societal expectations for nature recovery. We broadened the conceptual framing of SBS beyond the more common elements of nature loss to include ...
Shuo Gao   +3 more
wiley   +1 more source

MANAGING AN ABUNDANT CRAYFISH RESOURCE FOR CONSERVATION -A. PALLIPES IN IRELAND

open access: yesKnowledge and Management of Aquatic Ecosystems, 2002
Irish white-clawed crayfish stocks show high genetic uniformity between systems, although individual populations usually show good heterozygosity. The inference is that they were derived from a single immigrating stock, related to those in Western France.
REYNOLDS J. D., DEMERS A., MARNELL F.
doaj   +1 more source

Freshwater fish Fauna and Restock Fish Activities of Reservoir in the Dardanelles (Canakkale-Turkey) [PDF]

open access: yesJournal of Central European Agriculture, 2012
Turkey has, with geographic location including Istanbul and Çanakkale straits the system, 178,000 km in length streams, 906,000 ha of natural lakes, and 411,800 ha of dam lakes, and 28,000 ha of ponds due to richness inland waters which include ...
Hüseyin SASI, Selcuk Berber
doaj   +1 more source

Extreme weather and economic crisis in the 1430s in England, and the implications for tenurial change

open access: yesThe Economic History Review, EarlyView.
Abstract The 1430s were characterized by extreme weather conditions, food and fodder shortages, and high mortalities among animals and humans, although the severity of events and their consequences in England have received limited attention. The economic downturn and the depressed customary land market in this decade marked the beginning of the Great ...
Mark Bailey
wiley   +1 more source

High Diversity Unveiled by the First Genetic Survey on Wild and Captive Barbary Partridge (Alectoris barbara) from Morocco

open access: yesDiversity
Characterizing genetic diversity and structure is paramount in wildlife conservation management. Surprisingly, however, there are species that, despite being intensively managed, are largely overlooked in terms of genetic makeup.
Laila Sabrate   +3 more
doaj   +1 more source

ÉVOLUTION SPATIO-TEMPORELLE DE LA CONTRIBUTION DU REPEUPLEMENT EN TRUITE (SALMO TRUTTA L.) RÉALISÉ A DES STADES PRÉCOCES DANS LE BASSIN AMONT DU FIER (74).

open access: yesKnowledge and Management of Aquatic Ecosystems, 2002
Les pratiques de repeuplement en truite à des stades précoces (alevins nourris et truitelles 3-5 cm) ont été évaluées par la technique de fluoromarquage des otolithes sur le bassin amont du Fier pour trois cohortes (1995, 1996, 1997).
CAUDRON A., CHAMPIGNEULLE A.
doaj   +1 more source

Migration pattern of Atlantic salmon smolts Salmo salar L. released at different sites in the River Drammenselv, SE Norway

open access: yesFauna Norvegica, 1990
Hatchery-reared smolts of Atlantic salmon Salmo salar L. of the River Drammenselv stock were released at four different sites in the River Drammenselv system; (1) at Gol, (2) at Kaggefoss, (3) at Hellefoss and (4) in the estuary at Svelvik.
Per Pethon, Lars P. Hansen
doaj   +1 more source

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