scholarly journals Is MHC diversity a better marker for conservation than neutral genetic diversity? A case study of two contrasting dolphin populations

2019 ◽  
Vol 9 (12) ◽  
pp. 6986-6998 ◽  
Author(s):  
Oliver Manlik ◽  
Michael Krützen ◽  
Anna M. Kopps ◽  
Janet Mann ◽  
Lars Bejder ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Neutral Genetic Diversity ◽  
Mhc Diversity

Thinning in mature eastern white pine: 43-year case study

2002 ◽  
Vol 78 (4) ◽  
pp. 539-549 ◽  
Author(s):  
Paul D Anderson ◽  
John C Zasada ◽  
Glen W Erickson ◽  
Zigmond A Zasada
Keyword(s):  
Genetic Diversity ◽  
Dna Analysis ◽  
Large Diameter ◽  
White Pine ◽  
Thinning Intensity ◽  
Pine Regeneration ◽  
Volume Production ◽  
Pine Stands ◽  
Over Time

A white pine (Pinus strobus L.) stand at the western margin of the species range, approximately 125 years of age at present, was thinned in 1953 from 33.5 m2 ha-1 to target residual basal areas of 18.4, 23.0, 27.5, and 32.1 m2 ha-1 . Repeated measurement over the following 43-years indicated that the greatest total volume production and the greatest number of large diameter trees occurred in the unit of highest residual density. Over time, the distribution of stems was predominantly random although mortality between 1979 and 1996 resulted in a tendency for clumping in the 23.0 and 27.5 m2 ha-1 treatments. DNA analysis indicated that thinning intensity had little effect on the genetic diversity of residual white pine. This study suggests that mature white pine stands in northern Minnesota may be managed at relatively high densities without loss of productivity. However, regardless of overstory density, there was little or no white pine regeneration occurring in this stand. Key words: thinning, growth, genetic diversity, molecular markers, spatial pattern, regeneration

Is neutral genetic diversity related to quantitative variation in semen traits in bulls?

2021 ◽  
Author(s):  
Eddington Gororo ◽  
Fungayi Primrose Chatiza ◽  
Farisai Chidzwondo ◽  
Stanley Marshall Makuza
Keyword(s):  
Genetic Diversity ◽  
Quantitative Variation ◽  
Neutral Genetic Diversity

Traditional home-garden conserving genetic diversity: a case study of Acacia pennata in southwest China

2012 ◽  
Vol 13 (4) ◽  
pp. 891-898 ◽  
Author(s):  
Jie Gao ◽  
Tianhua He ◽  
Qiao-Ming Li
Keyword(s):  
Genetic Diversity ◽  
Southwest China ◽  
Home Garden

Coppice forests and genetic diversity: A case study in Quercus pyrenaica Willd. from Central Spain

2008 ◽  
Vol 254 (2) ◽  
pp. 225-232 ◽  
Author(s):  
M. Valbuena-Carabaña ◽  
S.C. González-Martínez ◽  
L. Gil
Keyword(s):  
Genetic Diversity ◽  
Quercus Pyrenaica ◽  
Central Spain

Does the Reproductive Strategy Affect the Transmission and Genetic Diversity of Bionts in Cyanolichens? A Case Study Using Two Closely Related Species

2012 ◽  
Vol 65 (2) ◽  
pp. 517-530 ◽  
Author(s):  
Mónica A. G. Otálora ◽  
Clara Salvador ◽  
Isabel Martínez ◽  
Gregorio Aragón
Keyword(s):  
Genetic Diversity ◽  
Related Species ◽  
Reproductive Strategy ◽  
Closely Related Species

Subtle human impacts on neutral genetic diversity and spatial patterns of genetic variation in European beech (Fagus sylvatica)

2014 ◽  
Vol 319 ◽  
pp. 138-149 ◽  
Author(s):  
K.C. Rajendra ◽  
Sarah Seifert ◽  
Kathleen Prinz ◽  
Oliver Gailing ◽  
Reiner Finkeldey
Keyword(s):  
Genetic Diversity ◽  
Genetic Variation ◽  
Spatial Patterns ◽  
Fagus Sylvatica ◽  
Human Impacts ◽  
European Beech ◽  
Neutral Genetic Diversity

Using DArT Markers to Monitor Genetic Diversity throughout Selection: A Case Study in Nebraska's Winter Wheat Breeding Nurseries

Crop Science ◽  
2013 ◽  
Vol 53 (6) ◽  
pp. 2363-2373 ◽  
Author(s):  
Ibrahim El-basyoni ◽  
P. Stephen Baenziger ◽  
Ismail Dweikat ◽  
Dong Wang ◽  
Kent Eskridge ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Winter Wheat ◽  
Wheat Breeding ◽  
Dart Markers

Genetic diversity of Halodule wrightii is resistant to large scale dieback: a case study from the Indian River Lagoon

2019 ◽  
Vol 20 (6) ◽  
pp. 1329-1337 ◽  
Author(s):  
Laura K. Reynolds ◽  
Kathryn A. Tiling ◽  
Gina B. Digiantonio ◽  
Vincent G. Encomio ◽  
Lori J. Morris
Keyword(s):  
Genetic Diversity ◽  
Large Scale ◽  
Indian River Lagoon ◽  
Halodule Wrightii ◽  
Indian River

scholarly journals A unified approach to characterize and conserve adaptive and neutral genetic diversity in subdivided populations

2014 ◽  
Vol 96 ◽  
Author(s):  
ROBIN WELLMANN ◽  
JÖRN BENNEWITZ ◽  
THEO H. E. MEUWISSEN
Keyword(s):  
Genetic Diversity ◽  
Large Range ◽  
Simulated Data ◽  
Time Span ◽  
Unified Approach ◽  
Neutral Genetic Diversity ◽  
Adaptive Diversity ◽  
Subdivided Populations ◽  
Conservation Values ◽  
Conservation Decisions

SummaryAs extinction of local domestic breeds and of isolated subpopulations of wild species continues, and the resources available for conservation programs are limited, prioritizing subpopulations for conservation is of high importance to halt the erosion of genetic diversity observed in endangered species. Current approaches usually only take neutral genetic diversity into account. However, adaptation of subpopulations to different environments also contributes to the diversity found in the species. This paper introduces two notions of adaptive variation. The adaptive diversity in a trait is the excess of variance found in genotypic values relative to the variance that would have been expected in the absence of selection. The adaptivity coverage of a set of subpopulations quantifies how well the subpopulations could adapt to a large range of environments within a limited time span. Additionally, genome-based notions of neutral diversities were obtained that correspond to well known pedigree-based definitions. The values of subpopulations for conservation of adaptivity coverage were compared with their conservation values for adaptive diversity and neutral diversities using simulated data. Conservation values for adaptive diversity and neutral diversities were only slightly correlated, but the values for conservation of adaptivity coverage showed a reasonable correlation with both kinds if the time span was chosen appropriately. Hence, maintaining adaptivity coverage is a promising approach to prioritize subpopulations for conservation decisions.

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