Results 71 to 80 of about 62,716 (276)

Individual increase in inbreeding allows estimating effective sizes from pedigrees [PDF]

Genetics Selection Evolution, 2008
Abstract We present here a simple approach to obtain reliable estimates of the effective population size in real world populations via the computation of the increase in inbreeding for each individual (delta F i ) in a given population.
Gutierrez, Juan Pablo, Cervantes Navarro, Isabel, Molina, Antonio, Valera Córdoba, María Mercedes, Goyache Goñi, Félix María   +4 more
openaire   +8 more sources

Waves of range dynamics and gene flow characterize the biogeographic history of Litsea elongata, a dominant tree in East Asian evergreen broadleaved forests

PLANTS, PEOPLE, PLANET, EarlyView.
Evergreen broadleaved forests (EBLFs) represent an iconic vegetation type in subtropical montane East Asia, but they are experiencing intensifying anthropogenic pressure and increasing habitat fragmentation. Here, using a dominant and widespread tree species characteristic of East Asian EBLFs, we examine its phylogeographic history and evaluate what it
Sheng‐Yuan Qin, Richard H. Ree, Zheng‐Yu Zuo, Chih‐Chieh Yu, Shuang‐Xiu Xu, Jun Rong, Peng‐Fei Ma, De‐Zhu Li   +7 more
wiley   +1 more source

Estimating Inbreeding Rates in Natural Populations: Addressing the Problem of Incomplete Pedigrees [PDF]

Journal of Heredity, 2017
Understanding and estimating inbreeding is essential for managing threatened and endangered wildlife populations. However, determination of inbreeding rates in natural populations is confounded by incomplete parentage information. We present an approach for quantifying inbreeding rates for populations with incomplete parentage information. The approach
Mark P, Miller, Susan M, Haig, Jonathan D, Ballou, E Ashley, Steel   +3 more
openaire   +2 more sources

Minimizing inbreeding by managing genetic contributions across generations [PDF]

, 2003
Here we present the strategy that achieves the lowest possible rate of inbreeding (DeltaF) for a population with unequal members of sires and dams with random mating. This new strategy results in a DeltaF as much as 10% lower than previously achieved.
Sanchez, L., Woolliams, J.A., Bijma, P., Sanchez-Rodriquez, L., Woolliams, John   +4 more
core  

Inbreeding and Genetic Diversity in Three Imported Swine Breeds in China Using Pedigree Data [PDF]

, 2013
The accumulation of inbreeding and the loss of genetic diversity is a potential problem in the modern swine breeds in China. Therefore, the purpose of this study was to analyze the pedigrees of Chinese Duroc (CD), Landrace (CL) and Yorkshire (CY) swine ...
Zeng, Z. Y., Zhu, L., Jiang, A. A., Jiang, Y. Z., Tang, G. Q., Lian, M. J., Li, X. W., Liu, T. F., Yang, R. F., Wang, Z., Bai, L., Xue, J.   +11 more
core   +1 more source

Management and incipient domestication of Chamaedorea tepejilote in agroforestry systems in Mexico

PLANTS, PEOPLE, PLANET, EarlyView.
Native wild plants are key elements in addressing global biodiversity loss and supporting sustainable food systems. We investigated how rural communities in Mexico manage Chamaedorea tepejilote, a wild palm with edible male inflorescences, by combining ethnobotanical, genetic, morphological and ecological approaches.
Viviana Andrade, Alejandro Casas, Edna Arévalo‐Marín, Gonzalo D. Álvarez‐Ríos, Hernán Alvarado‐Sizzo, Vanessa Guerrero‐Hernández, Paola Ubiergo‐Corvalán, Maite Lascurain‐Rangel   +7 more
wiley   +1 more source

Prediction of genetic gain from quadratic optimisation with constrained rates of inbreeding [PDF]

, 2006
There are selection methods available that allow the optimisation of genetic contributions of selection candidates for maximising the rate of genetic gain while restricting the rate of inbreeding. These methods imply selection on quadratic indices as the
Avendano, S, John A. Woolliams, Woolliams John A, Avendaño Santiago, John A Woolliams, Villanueva Beatriz, Woolliams, JA, Villanueva, B., Beatriz Villanueva, Villanueva, B, Woolliams, John, Avenano, S., Santiago Avendaño   +12 more
core   +1 more source

Strong differentiation between source and ex situ populations of rare plant species revealed by next‐generation sequencing

PLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is being lost rapidly worldwide due to factors such as climate change and habitat loss. To help safeguard plant populations, conservation strategies include seed banks and conservation cultures. However, it remains unclear how cultivation affects genetic variation compared with wild populations.
Maximilian Alexander Steurer, Ellen Gradl, Lena Winkler, Christoph Reisch   +3 more
wiley   +1 more source

History and structure of the closed pedigreed population of Icelandic Sheepdogs [PDF]

, 2009
Background Dog breeds lose genetic diversity because of high selection pressure. Breeding policies aim to minimize kinship and therefore maintain genetic diversity.
van der Meijden, A., Bijma Piter, Oliehoek, P.A., van der Meijden Arie, Oliehoek Pieter A, Meijden, A., van der, Bijma, P., Piter Bijma, Pieter A Oliehoek, Arie van der Meijden   +9 more
core   +1 more source

Why wolves walk – drivers of daily movement in a social large carnivore

Wildlife Biology, EarlyView.
Animal movement patterns are influenced by a range of extrinsic and intrinsic factors, including the distribution of resources, human disturbance, landscape connectivity, species interactions, and individual traits. We examined factors associated with daily movement distance (DMD) and linearity in 20 territorial Scandinavian wolves Canis lupus during ...
Julia Björk, Håkan Sand, Petter Wabakken, Barbara Zimmermann, Camilla Wikenros   +4 more
wiley   +1 more source