Results 111 to 120 of about 94,480 (301)

Plan Estratégico Institucional 2025-2028 del Ministerio de Medio Ambiente y Recursos Naturales

open access: yes
El Ministerio de Medio Ambiente y Recursos Naturales presenta su Plan Estratégico Institucional (PEI) para los años 2025-2028, para dar seguimiento a su misión de garantizar la conservación del medio ambiente y los recursos naturales de la República ...
República Dominicana, Ministerio de Medio Ambiente y Recursos Naturales
core  

Lack of Compliance in Gillnet Fisheries Regulations Increases Risk to a Vulnerable Species

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT This article presents an analysis of regulatory compliance in a Brazilian gillnet fishery, based on Vessel Monitoring System (VMS) tracking data. Satellite transmissions records, interpreted as proxies for gillnet haulings events, were analyzed and classified using a neural network to assess the level of compliance of the gillnet fleet.
Rodrigo Claudino dos Santos   +3 more
wiley   +1 more source

Assessing soil and native high Andean grassland quality under grazing: A case study from the wet Puna of Peru

open access: yesGrassland Science, EarlyView.
Abstract High Andean grasslands are vulnerable to changes in their nutritional quality and carbon sequestration capacity, especially in grazing systems. This study evaluated soil quality and native grasses by measuring carbon, physicochemical parameters, and the nutritional quality of predominant species in the wet Puna of Junín, Peru.
Alberto Arias‐Arredondo   +5 more
wiley   +1 more source

A sexual/apomictic consensus linkage map of Eragrostis curvula at tetraploid level

open access: yesBMC Plant Biology
Background Apomixis is an asexual reproduction process that allows plants to bypass meiosis and fertilization, resulting in clonal seeds that are genetically identical to the maternal genotype.
Jimena Gallardo   +5 more
doaj   +1 more source

Recursos naturales y volcanismo: Turismo volcánico

open access: yesEnseñanza de las Ciencias de la Tierra, 2015
Yellowstone (USA), a giant volcanic caldera, was the first National Park created in the world in 1872. Volcanism and tourism go hand in hand in many volcanic areas of the world, especially in volcanic oceanic islands. These islands, including Canary Islands or Hawaii, have many factors favouring mass tourism, especially the weather, beaches and ...
Carracedo, Juan Carlos   +1 more
openaire   +2 more sources

Recursos Naturales y Medio Ambiente

open access: yes, 2022
Presentación en donde se explican los conceptos generales vinculados a los recursos naturales, medio ambiente y ecosistemas. Asimismo se abordan las nociones principales relacionadas a los daños e impactos ambientales y su vinculadión al desarrollo sostenible y economía circular.
openaire   +1 more source

Fine‐scale genetic structure in co‐operatively breeding Palmchats (Dulus dominicus) suggests mixed kinship in compound nests

open access: yesIbis, EarlyView.
Fine‐scale genetic structure in animal populations can create opportunities for both kin‐directed co‐operation and kin competition. Knowledge of kinship is therefore key to understanding the selective pressures shaping sociality as well as the effects of social behaviour on local genetic structure.
Joshua B. LaPergola   +2 more
wiley   +1 more source

Exploring the exploration: implications of leaving or remaining at the natal site during the early stages of independence in a partially migratory bird

open access: yesIbis, EarlyView.
Despite being an important fraction of any animal population, juveniles are a severely understudied group. Juveniles often need to learn an array of skills that allow them to survive independently and do so while undertaking decisions that may impact their fitness, recruitment and survival, having therefore relevant demographic implications.
Manuela S. Rodrigues   +6 more
wiley   +1 more source

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

open access: yesJournal of Fish Biology, EarlyView.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro   +2 more
wiley   +1 more source

Air exposure test in Colossoma macropomum juveniles maintained in water at suboptimal temperature: Physiological, metabolic and oxidative stress responses

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study evaluated the physiological, metabolic and oxidative responses of Colossoma macropomum subjected to air exposure when maintained in water at suboptimal temperature (23°C). A total of 54 fish (81.33 ± 11.90 g) were distributed into nine tanks (6 fish per tank). For the air exposure test, 24 animals were exposed for 30 min and another
Gisele Cristina Favero   +8 more
wiley   +1 more source

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