Results 1 to 10 of about 704 (156)

Principales amenazas a la biodiversidad marina

open access: yesActualidades Biológicas, 2017
Evaluaciones recientes sobre el conocimiento de la biodiversidad registran que las especies marinas corresponden apenas a un 15% del total de los taxones conocidos en el planeta.
José E. Mancera-Pineda   +2 more
doaj   +4 more sources

The Conopeptide αD-FrXXA, an Inhibitor of Voltage-Gated Potassium Channels [PDF]

open access: yesMarine Drugs
The conopeptide αD-FrXXA was previously isolated by our team from the venom of the vermivorous snail Conus fergusoni. This toxin is composed of two chains of 47 amino acids and inhibits neuronal and muscular subtypes of nAChR.
Luis Martínez-Hernández   +3 more
doaj   +2 more sources

Testing marine regional-scale hypotheses along the Yucatan continental shelf using soft-bottom macrofauna [PDF]

open access: yesPeerJ, 2020
Different hypotheses related to the regional-scale configuration of the Yucatan Continental Shelf (YCS) between the Gulf of Mexico (GoM) and the Caribbean Sea have been proposed.
Ivan Hernandez-Avila   +2 more
doaj   +2 more sources

Justicia en territorios pesqueros: Violaciones a los derechos humanos en la pesca artesanal en la Corte Constitucional de Colombia

open access: yesRevista Estudios Socio-Jurídicos, 2023
Los mares y aguas continentales han sido espacios de luchas sociales históricamente invisibilizadas. Este artículo ofrece un análisis interdisciplinario de todas las decisiones de la Corte Constitucional Colombiana relacionadas con violaciones de ...
Isabela Figueroa   +4 more
doaj   +1 more source

Marine biodiversity in Brazil: Estado actual del conocimiento Biodiversidad marina en Brasil

open access: yesGayana, 2003
Brazil has one of the highest biodiversities in the world, both in the terrestrial and the marine environment. Thanks to its extensive coastal line, Brazilian marine flora and fauna are composed of species from many different marine bioregions.
Erminda C G. Couto   +2 more
doaj   +1 more source

Contrasting effects of protection from harvesting in populations of two limpet species in a recently established marine protected area

open access: yesScientia Marina, 2012
This study aimed to evaluate the effects of protection from extractive activities on the population structure of two limpets of commercial interest, Patella ulyssiponensis and Patella candei crenata.
Cataisa López   +6 more
doaj   +1 more source

Inventario de la fauna marina de la Hispaniola

open access: yesCiencia y Sociedad, 2005
El presente trabajo ofrece las primeras cifras representativas del conocimiento de la fauna marina de la Isla Hispaniola con un total de 2,359 especies pertenecientes a unos 44 grupos taxonómicos mayores.
Alejandro Herrera Moreno   +1 more
doaj   +1 more source

Biodiversidad de algas rojas marinas (Rhodophyta) en Tabasco, México [PDF]

open access: yesActa Botanica Mexicana, 2018
Antecedentes y Objetivos: El conocimiento de la ficoflora en el estado de Tabasco es escaso. Hasta el momento se tienen 39 registros de Rhodophyta, 7 de Ochrophyta y 22 de Chlorophyta. Además, a nivel nacional es el estado costero con el menor número de publicaciones sobre el tema. Se desarrolló el presente trabajo para contribuir al conocimiento de la
Nataly Quiroz-González   +2 more
openaire   +3 more sources

Spatial distribution of the demersal chondrichthyan community from the western Mediterranean trawl bycatch

open access: yesFrontiers in Marine Science, 2023
IntroductionChondrichthyans (sharks, batoids and chimaeras) play key roles in the regulation of marine food webs dynamics. However, more than half of the assessed species in the Mediterranean are threatened, primarily by fishing pressure and compounded ...
David Ruiz-García   +8 more
doaj   +1 more source

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