Results 51 to 60 of about 61,139,813 (164)

Estudio de los estados larvales de la ictiofauna en la zona de Puerto Nariño, Amazonia Colombiana, durante el período de aguas ascendentes (2003)

open access: yesActa Biológica Colombiana, 2004
Se caracterizó taxonómicamente las larvas de peces de la zona de Puerto Nariño (Amazonia colombiana) durante el período de aguas ascendentes 2003 (enero a marzo), además se hizo un acercamiento a la dinámica ecológica de la reproducción de los peces a ...
Mónica Andrea Gutiérrez Espinosa   +1 more
doaj  

A data‐driven approach to multiple‐stressor impact assessment for a marine protected area

open access: yesConservation Biology, Volume 38, Issue 2, April 2024.
Abstract The coastal environment is not managed in a way that considers the impact of cumulative threats, despite being subject to threats from all realms (marine, land, and atmosphere). Relationships between threats and species are often nonlinear; thus, current (linear) approaches to estimating the impact of threats may be misleading.
Laura L. Griffiths   +8 more
wiley   +1 more source

Assentamento de larvas do mexilhão Perna perna (L.) em condições de laboratório [PDF]

open access: yes, 2005
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias. Programa de Pós-Graduação em Aqüicultura.Para estudar a taxa de assentamento e metamorfose do mexilhão Perna perna e melhor densidade de larvas (2, 3 e 4 larvas
Farias, Tathiana Zimmermann de
core  

Incorporación de larvas de mosquito Culex stigmatosoma (Diptera:Culicidae) en la dieta del pez cebra Brachidanio rerio (Pisces:Cyprinidae) y su efecto en la reproducción

open access: yesAIA Avances en Investigación Agropecuaria, 2007
En la acuicultura, un aspecto de gran importancia es la nutrición. En especies potencialmente cultivables, como el pez cebra Brachidanio rerio, es importante conocer los requerimientos nutricionales para maximizar su reproducción.
J. Luna-Figueroa
doaj  

Meta‐analysis contrasting freshwater biodiversity in forests and oil palm plantations with and without riparian buffers

open access: yesConservation Biology, Volume 38, Issue 1, February 2024.
Abstract The expansion of oil palm plantations has led to land‐use change and deforestation in the tropics, which has affected biodiversity. Although the impacts of the crop on terrestrial biodiversity have been extensively reviewed, its effects on freshwater biodiversity remain relatively unexplored.
Oscar Alberto Rojas‐Castillo   +10 more
wiley   +1 more source

Variação espaço-temporal das larvas de Decapoda do Arquipélago de São Pedro e São Paulo [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Ecologia, Florianópolis, 2010Larvas de Decapoda estão entre os principais componentes do zooplâncton marinho, podendo representar
Brandão, Manoela Costa
core  

Infección por Gnathostoma (Spirurida: Gnathostomatidae) en Hoplias microlepis: prevalencia, correlación con la talla del pez, huéspedes e implicaciones para salud pública en Ecuador

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2009
Introducción. La gnathostomiasis humana fue reportada en Ecuador en 1981 a partir del hallazgo del tercer estadio larvario de Gnathostoma en Hoplias microlepis.
Juan José Alava, Pedro J. Jiménez
doaj   +1 more source

Patterns in longitudinal distribution of American Eel (Anguilla rostrata) population characteristics in rivers of Puerto Rico

open access: yesFisheries Management and Ecology, Volume 31, Issue 1, February 2024.
Abstract American Eel (Anguilla rostrata) population characteristics and distribution remain drastically understudied in the Caribbean region. We conducted the first island‐wide study to evaluate the distribution of density, length, and sex in relation to distance from the mouth of 23 stream reaches in five rivers in Puerto Rico.
A. Torres‐Molinari   +5 more
wiley   +1 more source

Cultivo de microalgas Isochrysis galbana y Nannochloropsis sp. para alimentación de larvas de peces marinos

open access: yesRevista Mutis, 2017
En la producción de alimento vivo, representado principalmente por microalgas, se buscan nuevas técnicas de medios de cultivo sustituyendo las fórmulas tradicionales en aras de reducir costos. Teniendo en cuenta esto, se usó un medio no convencional (fertilizantes industriales) para producir las microalgas Isochrysis galbana y Nannochloropsis sp.
María Fernanda Pereira Gutiérrez   +3 more
openaire   +3 more sources

Ingestion Rate, Prey Selectivity, and Growth of Larval Vieja zonata (Teleostei: Cichlidae) Co‐Fed Rotifers with Cladocerans

open access: yesAquaculture Nutrition, Volume 2024, Issue 1, 2024.
The study of fish larval nutrition is important as dietary requirements change significantly with growth. Vieja zonata is a cichlid species that is endemic to Mexico. In this study, we investigated the ingestion rate, prey selectivity, and growth of V. zonata larvae that were fed on prey cultured with and without probiotics.
Rubén Alonso Contreras-Tapia   +6 more
wiley   +1 more source

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