Results 21 to 30 of about 20,442,526 (154)

Assessing the net effect of anthropogenic disturbance on aquatic communities in wetlands: community structure relative to distance from canals [PDF]

open access: yes, 2006
Anthropogenic alterations of natural hydrology are common in wetlands and often increase water permanence, converting ephemeral habitats into permanent ones.
Rehage, Jennifer S, Trexler, Joel C.
core   +1 more source

Estructura y la ultraestructura del ovario de Cichlasoma urophthalmus (Perciformes: Cichlidae)

open access: yes, 2010
Structure and ultrastructure of the ovary of Cichlasoma urophthalmus (Osteichthyes: Cichlidae). The study of the normal development, differentiation, structure and function of various components of develop- ing follicles in the ovaries of numerous fish ...
Rubí Viedma   +5 more
semanticscholar   +1 more source

Effect of initial stocking size of the predatory African sharptooth catfish (Clarias gariepinus) on recruits, growth performance, survival and yield of mixed-sex Nile tilapia (Oreochromis niloticus) in concrete tank culture system [PDF]

open access: yes, 2015
This article is available at www.Springerlink.comProlific breeding and production of high percentage of recruits are main problems in mixed-sex Nile tilapia (Oreochromis niloticus) culture in earthen ponds.
Amon Paul Shoko   +6 more
core   +1 more source

Signal from the noise: model‐based interpretation of variable correspondence between active and passive samplers

open access: yesEcosphere, Volume 10, Issue 9, September 2019., 2019
Abstract Combining information from active and passive sampling of mobile animals is challenging because active‐sampling data are affected by limited detection of rare or sparse taxa, while passive‐sampling data reflect both density and movement. We propose that a model‐based analysis allows information to be combined between these methods to interpret
Joseph J. Parkos III   +2 more
wiley   +1 more source

Estructura y la ultraestructura del ovario de Cichlasoma urophthalmus (Perciformes: Cichlidae)

open access: yesRevista de Biología Tropical, 2011
Se realizó un estudio descriptivo de las gónadas femeninas de Cichlasoma urophthalmus. Las muestras fueron recolectadas en la Laguna de Alvarado Veracruz, México en el período 2007-2008 que incluyó las temporadas de Nortes, Secas y Lluvias. Se extrajeron
Rubí Viedma   +5 more
doaj   +2 more sources

KAJIAN RISIKO IKAN-IKAN ASING DI WADUK CIRATA, JAWA BARAT [PDF]

open access: yes, 2022
Waduk Cirata telah terindikasi terdapat ikan-ikan asing, namun belum terdapat kajian risikonya. Penelitian ini bertujuan untuk mengidentifikasi risiko keberadaan ikan-ikan asing di Waduk Cirata.
Astuti, Lismining Pujiyani   +2 more
core   +2 more sources

Iktiofauna Sungai Perkotaan Kalilo Pengantigan Banyuwangi [PDF]

open access: yes, 2023
Sungai Kalilo merupakan aliran sungai perkotaan dimana kualitas airnya mengalami mengalami tekanan akibat aktivitas manusia. Sampai saat ini belum pernah dilakukan kajian tentang iktiofauna pada aliran sungai Kalilo Banyuwangi. Tujuan dari penelitian ini
Ardiyansyah, Fuad   +2 more
core   +3 more sources

Field Guide to Nonindigenous Marine Fishes of Florida [PDF]

open access: yes, 2009
The purpose of this field guide is to provide information on nonindigenous (i.e., non-native) fishes that have been observed in Florida’s marine waters. Introductions of non-native marine fishes into Florida’s waters could be intentional or unintentional,
Akins, Lad   +2 more
core  

Current status and prospects for efficient aquaculture of the African bonytongue, Heterotis niloticus (Cuvier, 1829): Review

open access: yesJournal of the World Aquaculture Society, Volume 56, Issue 2, April 2025.
Abstract The aquaculture industry plays a crucial role in global food production and is expected to expand in response to the increasing demand for aquatic products. To sustain this growth, aquaculturists must develop new strategies and improve existing practices to address various challenges. In Africa, the sustainable development of aquaculture could
Missinhoun Dagoudo   +2 more
wiley   +1 more source

Age, growth, and mortality of the Mayan cichlid (Cichlasoma urophthalmus) from the southeastern Everglades [PDF]

open access: yes, 2002
Mayan cichlids (Cichlasoma urophthalmus) were collected monthly from March 1996 to October 1997 with hook-and-line gear at Taylor River, Florida, an area within the Crocodile Sanctuary of Everglades National Park, where human activities such as fishing ...
Faunce, Craig H.   +2 more
core  

Home - About - Disclaimer - Privacy