Results 91 to 100 of about 1,615 (198)

PERSPECTIVAS DE SUSTENTABILIDADE ECOLÓGICA DO TURISMO EM XINGÓ, SE/AL / TOURISM ECOLOGICAL SUSTAINABILITY PERSPECTIVES IN XINGÓ, SERGIPE AND ALAGOAS, BRAZIL

open access: yesRevista Geográfica Acadêmica, 2009
RESUMO A busca da sustentabilidade em várias dimensões implica olhar para o desenvolvimento local nos territórios em que o turismo ocorre. Este estudo analisou de forma sistêmica a relação entre turismo, gastronomia local e os recursos extraídos do rio ...
Cláudio Roberto Braghini   +2 more
doaj  

Decapod crustaceans in fresh waters of southeastern Bahia, Brazil

open access: yesRevista de Biología Tropical, 2008
A total of 117 species of freshwater decapod crustaceans are known from Brazil. Knowledge regarding the fauna of Decapoda from inland waters in the state of Bahia, northeast Brazil, is incipient.
Alexandre Oliveira de Almeida   +4 more
doaj  

Determination of reproductive activity in sea urchins [PDF]

open access: yes, 1982
The most widely used quantitative method for assessing the reproductive activity is the gonad index (Giese and Pearse, 1974). But, in species such as sea urchins possessing considerable quantities of nutritive tissues in the gonad, both an increase ...
Vivek Raja, P
core  

Xenobiotic induced functional alterations in Hepatopancreas of the Penaeid shrimp Metapenaeus dobsoni (Miers) [PDF]

open access: yes, 1999
Xenobiocic-induced imbalance between production and ulilisation of cylosolic lipid provides biochemical evidence of structural and functional alaerations in animal tissues . The present study investigates metal induced accumulalion of unsaturated neutral
Manisseri, Mary K, Menon, N R
core  

Serological identification of vitellogenin and lipovitellin in Scylla serrata and Emerita asiatica using immuno electrophoresis [PDF]

open access: yes, 1982
Vitellogenin is the blood protein precursor of lipovitellin, the main yolk protein. Many crustacean workers have used electrophoresis to detect the vitellogenin and lipovitellin in the blood and ovary respectively.
Ezhilarasi, S, Subramoniam, T
core  

Methods to Induce Analgesia and Anesthesia in Crustaceans: A Supportive Decision Tool. [PDF]

open access: yesBiology (Basel), 2023
Rotllant G   +5 more
europepmc   +1 more source

Appropriate Usage Level of Shrimp Waste Meal as Chitin Source for Feeding Young Crayfish (Astacus leptodactylus Esch. 1823) [PDF]

open access: yes, 2011
This study was conducted to determine effects of shrimp waste meal as natural chitin source at different rates (0 (control), 10, 20, 30 and 40% ) on growth, feed conversion ratio (FCR), survival of young crayfish (1.61±0.04 g and 3.74±0.03 cm) for 60 ...
Seval Bahadır Koca*, Nalan Ozgur Yigit, Arife Dulluc, Gonca Erol1, Nihal Cılbız1 and Ramazan Kucukkara1
core  

PROTOCOLO PARA LA EXTRACCIÓN DE ADN METAGENÓMICO BACTERIANO DEL LANGOSTINO Macrobrachium carcinus L

open access: yes, 2011
En este trabajo se adecuó un protocolo para la extracción de ADN metagenómico (ADNmg) bacteriano del sistema digestivo (intestino, estómago y hepatopáncreas) del langostino Macrobrachium carcinus L., tomando como referencia la metodología de extracción de ADN bacteriano de suelos y sedimentos (Rojas-Herrera et al., 2008).
J. Ulises González-de la Cruz   +4 more
openaire   +1 more source

Analysis of gene expression in female American lobsters (Homarus americanus) to determine reproductive status by oligonucleotide microarray analysis

open access: yes, 2013
The American lobster (Homarus americanus) is harvested along the eastern seaboard of North America and forms the economic backbone of many small fishing communities in Atlantic Canada and the northeastern United States.

core  

Cultivo de camarão Macrobrachium carcinus em sistemas aquapônicos integrado com Allium schoenoprasum em região semiárida

open access: yesOBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA
O crescimento populacional e a escassez de recursos naturais evidenciam a necessidade de métodos sustentáveis na produção de alimentos, desta forma a aquaponia destaca-se como uma alternativa viável alimentar, ao possibilitar simultaneamente a produção de alimentos e a reutilização da água.
Lucas de Lisboa   +7 more
openaire   +1 more source

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