Results 41 to 50 of about 45,162 (227)

Simulated and Actual Effects of the Brown Shrimp, Penaeus aztecus, Closure in Mexico [PDF]

open access: yes, 1997
Simulations based on a yield-per-recruit model were performed to analyze the impact ofg rowth overfishing on brown shrimp, Penaeus aztecus, and to assess the effects of a closed season inshore and offshore of the Mexican States of Tamaulipas and Veracruz.
Gracia, Adolfo
core  

Lampropeltis mexicana [PDF]

open access: yes, 1967
Number of Pages: 2Integrative BiologyGeological ...
Gehlbach, Frederick R.
core   +1 more source

Does any fish scale of a fish have the same number of marks? A case study for two Mugilidae species

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study evaluates the difference in growth marks in scales from nine body areas of two Mugilidae species from the Gulf of Mexico: Mugil curema and Mugil cephalus. It addresses whether the different body areas show more (or fewer) marks, and which area(s) would be more useful in fish biology studies relying on mark analysis.
Ebenecer Guerra   +6 more
wiley   +1 more source

Anelytropsis, A. papillosus [PDF]

open access: yes, 1974
Number of Pages: 2Integrative BiologyGeological ...
Campbell, Howard W.
core   +1 more source

From Hierarchical Capitalism to Developmental Governance: The Emergence of Concerted Skills Formation in Middle‐Income Countries

open access: yesRegulation &Governance, EarlyView.
ABSTRACT Skills formation is a pressing issue for middle‐income countries given the pace of technological change. In Latin America, scholars point to the hierarchical type of capitalism and its segmentalist skills formation system as the main roadblocks to exiting the middle‐income trap.
Aldo Madariaga, Mariana Rangel‐Padilla
wiley   +1 more source

Renewable energy research progress in Mexico: a review [PDF]

open access: yes, 2014
Mexico ranks 9th in the world in crude oil reserves, 4th in natural gas reserves in America and it is also highly rich in renewable energy sources (solar, wind, biomasss, hydropower and geothermal).
Alemán-Nava, GS   +7 more
core   +1 more source

Composición taxonómica y datos ecológicos de las licofitas y monilofitas de la Sierra de Tamaulipas, Tamaulipas, México [PDF]

open access: yesPolibotánica, 2015
En el presente estudio se enlistan las licofitas y monilofitas que habitan en la sierra de Tamaulipas, registrándose un total de 18 familias, 38 géneros, 91 especies y ocho variedades. La familia Pteridaceae es la más representativa tanto en géneros (13) como en especies (36), siendo el género Cheilanthes el más sobresaliente, además se registran por ...
Ana María Hernández-Mendoza   +3 more
openaire   +3 more sources

Landscape Connectivity and Wildlife Access to Water Across an International Border: Barriers and Opportunities for Facilitating Transboundary Movement

open access: yesGlobal Change Biology, Volume 32, Issue 5, May 2026.
The construction of barriers along international borders is increasing globally, including along the boundary between the United States and Mexico. We used a landscape connectivity model to investigate the effects of barriers on wildlife access to water within the Lower Rio Grande Valley (Texas, USA) across three scenarios: (1) without border barriers;
Bogdan Chivoiu   +13 more
wiley   +1 more source

An annotated list of the centipedes (Chilopoda) in the National Collection of Arachnids, Instituto de Biología, Universidad Nacional Autónoma de México [PDF]

open access: yes, 2010
The National Collection of Arachnids, Instituto de Biología, Universidad Nacional Autónoma de México (México City) houses 476 chilopod samples, of which 197 are determined to genus and/or species. These are documented here and represent several new state
Cupul-Magaña, Fabio Germán
core  

Sensibilidad ética del personal de enfermería para la atención al paciente con consumo de alcohol

open access: yesEnfermería Universitaria, 2021
Introducción: El consumo de bebidas alcohólicas es un problema de salud pública en el que los consumidores afectados son atendidos en los servicios de salud.
E. Martínez-Castillo   +4 more
doaj   +1 more source

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