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4.526  Articles
1 of 454 pages  |  10  records  |  more records»
Abstract · Molt patterns, often useful for determining age of individuals and, hence, demographic structure of a population, are generally poorly known for resident Neotropical birds. Neotropical woodpeckers are no exception to this latitudinal ... see more

Abstract · Molt patterns, often useful for determining age of individuals and, hence, demographic structure of a population, are generally poorly known for resident Neotropical birds. Neotropical woodpeckers are no exception to this latitudinal ... see more

Information on breeding biology of birds is fundamental for the understanding of life history evolution and conservation. This information is only beginning to accumulate for Neotropical birds but the southern subtropics are still overlooked. Here we desc... see more

Information on breeding biology of birds is fundamental for the understanding of life history evolution and conservation. This information is only beginning to accumulate for Neotropical birds but the southern subtropics are still overlooked. Here we desc... see more

Aim of study: Crop phenology is a critical component in the identification of impacts of climate change. Then, the assessment of germplasm collections provides relevant information for cultivar selection and breeding related to phenology, being the base f... see more

Reproductive structures, flowering phenology, breeding system, and potential pollinators were described in two populations of Asclepias viridis Walter in Oklahoma in 1997 and 1998. Scanning electron microscopy was used to locate the stigmatic surfaces of ... see more

This is a long-term study (1974-1999) on the phenology of the rare, xeric- inhabiting salamander Salamandra infraimmaculata in a small isolated population during the breeding season near the breeding ponds on Mt. Carmel. This is a fringe area of the genus... see more

Pavetta tomentosa is a massive bloomer for a brief period during May-June.  The flowers are hermaphroditic, strikingly protandrous, self and cross-compatible, nectariferous and psychophilous. They possess secondary pollen presentation mechanism as a ... see more

The study was focused on estimation of genotypic variation for the morphological and forage yield traits of some vetch genotypes to assess their breeding potential. A small-plot trial was carried out in 2018-2020 at the experimental field of the Research ... see more

1 of 454 pages  |  10  records  |  more records»