Results 71 to 80 of about 303,802 (221)

Using incentive payments to promote human–carnivore coexistence

open access: yesConservation Biology, EarlyView.
Abstract For many large carnivores, minimizing the financial burden they impose on local people is critical to their conservation. Incentive‐based programs that provide people with financial benefits for taking pro‐conservation actions or achieving conservation goals are a promising tool for promoting human–carnivore coexistence. Although the number of
Adam Pekor   +9 more
wiley   +1 more source

Deriva genética en metapoblaciones con diferentes tamaños y tasas de migración [PDF]

open access: yes, 2013
La reducción del hábitat disponible para la conservación de especies y la fragmentación de hábitats naturales representan una amenaza para la diversidad genética de las poblaciones.
Binkele Núñez, Andreas
core  

Preliminary Observations on Zelus Obscuridorsis (Stål) (Hemiptera: Reduviidae) as Predator of the Corn Leafhopper (Hemiptera: Cicadellidae) in Argentina [PDF]

open access: yes, 2015
The corn leafhopper Dalbulus maidis (Hemiptera: Cicadellidae), is an important corn pest in most of tropical and subtropical America. This leafhopper has a rich natural enemy complex of which parasitoids and pathogens are the most studied; knowledge on ...
Melo, María Cecilia   +2 more
core   +1 more source

CARACTERIZACIÓN Y VARIACIÓN ECOGEOGRÁFICA DE POBLACIONES DE CHILE (CAPSICUM ANNUUM VAR. GLABRIUSCULUM) SILVESTRE DEL NOROESTE DE MÉXICO

open access: yesPolibotánica, 2012
Se analizó la variación geográfica en caracteres morfológicos de 19 poblaciones de chile silvestre (Capsicum annuum var. glabriusculum) en sus hábitats naturales en el noroeste de México. Los caracteres medidos fueron: altura de planta, longitud de rama,
Sergio Hernández-Verdugo   +6 more
doaj  

Role of freshwater availability and terrestrial land‐cover change in the distribution of a declining, terrestrial, insectivorous bird

open access: yesConservation Biology, EarlyView.
Abstract Insectivorous, Afro‐Palearctic migrant birds provide cross‐border ecosystem services, but many are declining rapidly. The complex life cycle of migrant birds makes their conservation difficult, but understanding where they spend time during the breeding season can help indicate where those actions will be most effective.
Catrin F. Eden   +5 more
wiley   +1 more source

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  

The dynamics of natural populations: feedback structures in fluctuating environments La dinámica de las poblaciones naturales: estructuras de retroalimentación en ambientes fluctuantes

open access: yesRevista Chilena de Historia Natural, 2001
The fluctuations exhibited by natural populations have fascinated ecologists for the last eighty years. However, a vigorous debate between different schools of population ecologists has hampered reaching a consensus about the causes of such numerical ...
MAURICIO LIMA
doaj  

ABCA12 Frameshift Deletion in Domestic Cats With Ichthyosis Fetalis

open access: yesVeterinary Dermatology, EarlyView.
ABSTRACT Background Ichthyosis fetalis (IF), also known as harlequin ichthyosis, is a rare and often fatal autosomal recessive congenital skin disorder. It is characterized by thickened, hard skin plaques and deep skin fissures that limit mobility and cause malformations of the eyes, lips and ears.
Jeanna M. Blake   +2 more
wiley   +1 more source

Linajes de Trypanosoma cruzi en pacientes con enfermedad de Chagas y coinfección por VIH [PDF]

open access: yes, 2009
Introducción. Las poblaciones naturales de T. cruzi han sido clasificadas en seis linajes filogenéticos o unidades de tipificación discreta: T. cruzi I, IIa, IIb, IIc, IId y IIe, que pueden jugar un rol en el tropismo tisular y patogénesis de la ...
Altcheh, Jaime Marcelo   +11 more
core  

Evidenciando la estrecha relación entre Áreas Protegidas y Pueblos Indígenas. La categoría VI de la UICN como punto de encuentro

open access: yesLetras Verdes: Revista Latinoamericana de Estudios Socioambientales, 2013
El presente artículo pretende mostrar y evidenciar los puntos en común y los avances sobre conservación en cuatro países, todos andino-amazónicos, con alto grado de población indígena y con avances importantes sobre el tema, a través de las áreas ...
César Ipenza Peralta
doaj   +1 more source

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