Results 131 to 140 of about 697,653 (311)

Growth, mortality, and exploitation of the Engraulidae, with special reference to the anchoveta, Cetengraulis mysticetus, and the colorado, Anchoa naso, in the Eastern Pacific Ocean [PDF]

open access: yes, 1967
ENGLISH: Growth and mortality data for Cetengraulis mysticetus, Anchoa naso, Engraulis mordax, E. ring ens, E. anchoita, E. encraslcbolus, E. japonicus, and E. australis were assembled and compared.
Bayliff, William H.
core  

Differences in characteristics between naturalized threatened plants and other threatened plants

open access: yesConservation Biology, EarlyView.
Abstract Many non‐native plant species introduced by humans have become naturalized. At the same time many species are threatened in their native range. However, the number of plant species threatened in their native range that are naturalized elsewhere remains unknown.
Weihan Zhao   +10 more
wiley   +1 more source

Catalogue of the ectoparasitic insects of the bats of Argentina [PDF]

open access: yes, 2000
Taxonomy and distribution of the ectoparasitic insects of bats from Argentina, are reviewed. Seventeen species of Diptera (six of Nycteribiidae and eleven of Streblidae), six species of Siphonaptera (four ofIschnopsyllidae, one of Pulicidae, and one ...
Autino, Analia G., Claps, Guillermo L.
core   +1 more source

Representation of obligate groundwater‐dwelling copepod diversity in European protected areas

open access: yesConservation Biology, EarlyView.
Abstract Groundwaters sustain diverse surface ecosystems and are populated by metazoan species, mostly invertebrates, that provide fundamental ecological functions and are often of prominent conservation value due to narrow endemism and high phylogenetic rarity.
Francesco Cerasoli   +7 more
wiley   +1 more source

El genero Morpho en Colombia: II. Clave taxonómica para las especies presentes en Colombia The genus Morpho in Colombia: II.Taxonomic key for the species from Colombia

open access: yesAgronomía Colombiana, 1996
Se presenta una clave dicotómica para determinar las diferentes especies de mariposas del género Morpho que habitan en Colombia, con ilustraciones sobre las genitalias de los principales subgéneros y fotografías (dorsal y ventral) de los adultos más ...
Rodríguez Claudia Luz   +2 more
doaj  

Deforestation and wildlife management: are elephants attracted by recently deforested areas? [PDF]

open access: yes, 2019
Deforestation is a major cause or wildlife decline in tropical ecosystems. The conversion of mature forest to fields by shifting cultivation leaves behind follow lands with secondary vegetation.
Amaya-Corredor, Paola-Catalina   +8 more
core  

Evaluating the empirical basis for threat attribution in the IUCN Red List

open access: yesConservation Biology, EarlyView.
Abstract Understanding the impacts of different threats on species is key to successful conservation interventions and policies. The International Union for Conservation of Nature (IUCN) assesses threats to species, and the organization's Red List of Threatened Species is a key conservation tool.
Ena Humphries   +5 more
wiley   +1 more source

Seleccion de híbridos de especies de papa por resistencia a Phytophthora infestans (Mont) de Bary, fertilidad masculina y potencial productivo Hybrid selection of potatoe species for resistance to Phytophthora infestans (Mont) de Bary, male fertility and productive potential

open access: yesAgronomía Colombiana, 1990
En la Universidad Nacional de Colombia en Mosquera durante los años 1988 y 1989 se realizó una investigación, donde se evaluó bajo condiciones de invernadero la resistencia a P. infestans de las progenies de 51 cruzamientos (F1 y avanzados).
Ñustez L. Carlos Eduardo   +2 more
doaj  

Rhynchomeliola Speg., un viejo género nuevo para Argentina [PDF]

open access: yes, 2012
Al estudiar los micromicetes asociados a plantas nativas de los bosques andinopatagónicos, se coleccionaron ejemplares de dos especies de Rhynchomeliola Speg.: R. lomatiae S. Lee & Joanne E. Taylor creciendo sobre hojas de Lomatia ferruginea (Proteaceae),
Bianchinotti, Maria Virginia   +2 more
core  

Functional homogenization of terrestrial mammals outside protected areas in the Hengduan Mountains, China

open access: yesConservation Biology, EarlyView.
Abstract Despite the crucial role of human impacts on biodiversity loss, many assessments of this loss focus on single metrics, such as species richness, and overlook the multidimensional effects of human activities. Because of its importance to ecosystem functioning, we investigated the functional diversity of medium‐ and large‐sized mammal ...
Xueyou Li   +8 more
wiley   +1 more source

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