Results 21 to 30 of about 1,633 (175)

Episodic disturbances drive nutrient dynamics along freshwater‐to‐estuary gradients in a subtropical wetland

open access: yesEcosphere, Volume 9, Issue 6, June 2018., 2018
Abstract Wetlands are biogeochemically active ecosystems where primary production and respiration interact with physico‐chemical conditions to influence nutrient availability across spatio‐temporal scales. The effect of episodic disturbances on water quality dynamics within wetlands is relatively unknown, especially in large oligotrophic wetlands such ...
Stephen E. Davis   +8 more
wiley   +1 more source

Spatial Assessment of a Biocriteria Applied to Texas Tidal Streams

open access: yesJournal of Ecosystems, Volume 2013, Issue 1, 2013., 2013
This study reports on a derived multivariate method for assessing ecosystem health within tidally influenced portions of river basins and coastal basins. These tidally influenced areas are highly productive transitional areas which serve as important nursery areas for many fish and shellfish species.
James M. Tolan   +2 more
wiley   +1 more source

The Ant Genus Dorymyrmex Mayr (Hymenoptera: Formicidae: Dolichoderinae) in Colombia

open access: yesPsyche: A Journal of Entomology, Volume 2012, Issue 1, 2012., 2012
The aim of this paper is to actualize the taxonomy of Dorymyrmex, by addressing problems at both the genus and the species levels. We also explore the taxonomy and distribution of Dorymyrmex in Colombia. We list, diagnose, and key nine species in the country, including three new species: Dorymyrmex amazonicus n. sp.
Fabiana Cuezzo   +2 more
wiley   +1 more source

Electrochemistry for Solar Energy Conversion Systems: A Selection of Mexican Contributions

open access: yesJournal of the Mexican Chemical Society, 2023
. Electrochemistry is a key technology to synthesize, study and scale-up materials and processes for applications in solar energy conversion systems. Mexico has had a tradition of excellence in electrochemistry research and methodology development, and ...
F. Lizama-Tzec   +7 more
semanticscholar   +1 more source

Anatomy of the visceral cavity of Eugerres mexicanus (Teleostei: Gerreidae)

open access: yes, 2020
Introduction. The visceral cavity of teleostean fishes contains the kidneys, digestive tube and annexed glands, gas bladder, gonads, and spleen. Objective: To analyze and describe the anatomic relationships of the organs of the visceral cavity of the ...
A. Kobelkowsky, Jazmín Terán-Martínez
semanticscholar   +1 more source

Effect of light intensity and photoperiod on growth and survival of the Mexican cichlid, Cichlasoma beani in culture conditions

open access: yes, 2017
Wild populations of the green mojarra Cichlasoma beani , are being pressured by anthropogenic activities. It is possible to mitigate the deterioration of native species populations by developing culture techniques.
Edgar A. Aragon-Flores   +7 more
semanticscholar   +1 more source

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

Mexican Migrant Farmworkers in Canada: Death, Disposability, and Disruptions during COVID-19

open access: yesMexican Studies/Estudios Mexicanos, 2022
:This essay focuses on Mexican migrant farmworkers employed in the Seasonal Agricultural Workers Program (SAWP) during the COVID-19 pandemic in Canada. During this time, Mexican workers became essential yet expendable while their agricultural employers ...
Evelyn Encalada Grez
semanticscholar   +1 more source

Aquaculture in tropical Mexican lakes and dams: achievements and perspectives [PDF]

open access: yes, 2000
Mexico, with highly diverse physiography, geology, soils and climate, is a country with a broad mosaic of aquatic ecosystems within 320 watersheds.
Carranza, Jorge, Lopez, Martin
core  

Traditional knowledge for climate resilience in the Pacific Islands

open access: yesWIREs Climate Change, Volume 15, Issue 4, July/August 2024.
Top left x 2—water‐conserving taro terracing (Fiji). Top center—emmak for water security (Marshall Islands). Top right – augural clouds resemble the stomach of the buff‐banded rail (Fiji). Center right—Tonga Meteorological Service logo shows lofa talamatangi (frigate bird) whose presence over land indicates cyclone. Bottom right—cyclone house (Vanuatu).
Patrick D. Nunn   +27 more
wiley   +1 more source

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