Results 41 to 50 of about 261,121 (233)

Providing regular and frequent maps of losses and gains of farmland birds based on European monitoring data

open access: yesConservation Biology, EarlyView.
Abstract Knowledge of species distributions is essential for informing policies on nature conservation and restoration. However, updating them on a regular basis and doing so in a harmonized manner at the international level is difficult. The European Bird Census Council integrated national monitoring data covering 5 years to update farmland bird ...
Sergi Herrando   +54 more
wiley   +1 more source

A review of the Japanese longline fishery for tunas and billfishes in the Eastern Pacific Ocean, 1967-1970 [PDF]

open access: yes, 1974
ENGLISH: This report deals with the Japanese longline fishery for tunas and billfishes from 1967 through 1970, extending the studies made by Kume and Joseph (1969a, 1969b).
Peterson, Clifford L.   +2 more
core  

Integrating traditional practices, livelihoods, and conservation with Indigenous‐led furbearer camera trapping

open access: yesConservation Biology, EarlyView.
Abstract Contemporary conservation goals have a greater chance of success when practitioners collaborate with Indigenous communities. The importance of such collaborations has spurred calls by Western and Indigenous researchers to engage in equitable coproduction of ecological research that integrates multiple ways of knowing.
Kathleen A. Carroll   +4 more
wiley   +1 more source

Caracterización de las orquídeas epífitas y sus forofitos en el parque ecológico universitario “José Mariano Mociño” de la Universidad Autónoma del Estado de México

open access: yesPolibotánica, 2016
Se estudió, durante el 2006, la abundancia del sistema forofito/orquídeas epífitas en el Parque Ecológico Universitario “José Mariano Mociño” de la Universidad Autónoma del Estado de México, durante la primera fase se realizó el análisis cuantitativo de ...
J. L. Morales-Hernández
doaj  

Report of the Inter-American Tropical Tuna Commission for the year 1952 [PDF]

open access: yes, 1953
ENGLISH: The Inter-American Tropical Tuna Commission, established by a Convention between the United States and Costa Rica, has as its purpose the collection and interpretation of information which will facilitate maintaining, at levels of maximum ...

core  

A global assessment of animal community responses to agricultural management

open access: yesConservation Biology, EarlyView.
Abstract Transitions in agricultural management through crop and noncrop diversification on intensively managed croplands or pastures have benefited biodiversity. However, the extent to which agricultural management benefits species communities present in undisturbed ecosystems remains largely unclear.
Susana López Rodríguez   +3 more
wiley   +1 more source

Evaluation of various conventional methods for sampling weeds in potato and spinach crops

open access: yesAgronomía Colombiana, 2014
This study aimed to evaluate (at an exploratory level), some of the different conventional sampling designs in a section of a potato crop and in a commercial crop of spinach.
David Jamaica, Guido Plaza
doaj   +1 more source

The distribution, abundance, and ecology of larval tunas from the entrance to the Gulf of California [PDF]

open access: yes, 1970
ENGLISH: This study is based on collections of larvae of Thunnus albacares, Euthynnus llneatus, and Auxis sp. obtained from surface and oblique net tows made during seven cruises, each along a comparable track in the entrance of the Gulf of California ...
Klawe, Witold L.   +2 more
core  

Coinvasional disruptions to island pollinator networks

open access: yesConservation Biology, EarlyView.
Abstract Biological invasions can adversely affect pollinator diversity by threatening the maintenance of animal‐pollinated plant communities. Although most studies have examined single invasive species, accelerating species introductions driven by global trade highlight the need to understand how multiple co‐occurring invaders jointly influence ...
Marta Quitián   +5 more
wiley   +1 more source

Composición, riqueza, diversidad y abundancia de aves en cuatro áreas verdes de Santo Domingo

open access: yesNovitates Caribaea, 2018
Se presenta un análisis sobre la riqueza, diversidad y abundancia de aves en cuatro áreas verdes de la ciudad de Santo Domingo: Plaza de la Cultura Juan Pablo Duarte, Parque Mirador Sur, Jardín Botánico Nacional Dr. Rafael M.
Hodali Almonte-Espinosa
doaj   +1 more source

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