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    Academic Journals

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• Regional gradient analysis and spatial pattern of woody plant communities of Oregon forests

  Authors:Janet L. Ohmann and Thomas A. SpiesFrom:Ecological Monographs (Vol. 68, Issue 2) Peer-Reviewed

  May 199814,584 words Article Knowledge of regional-scale patterns of ecological community structure, and of factors that control them, is largely conceptual. Regional- and local-scale factors associated with regional variation in community...

• Gene flow, refugia, and evolution of geographic variation in the song sparrow (Melospiza melodia)

  Authors:Robert M. Zink and Donna L. DittmannFrom:Evolution (Vol. 47, Issue 3) Peer-Reviewed

  June 19935,876 words Article The mtDNA variation in song sparrows (Melospiza melodia) across the continental range was analysed. The mtDNA variation was not found to be geographically structured, nor could it identify subspecies. This may be due to...

• Phenotypic plasticity and the maintenance of genetic variation

  Authors:Alan H. Cheetham, Jeremy B.C. Jackson, and Lee-Ann C. HayekFrom:Evolution (Vol. 49, Issue 2) Peer-Reviewed

  Apr. 19954,657 words Article Breeding data for two Stylopoma species from Panama were examined to evaluate the impact of within-colony phenotypic variability on the maintenance of genetic diversity. Results revealed that in cheilostomes, heritable...

• Mitochondrial DNA variation within and between species of the Papilio machaon group of swallowtail butterflies

  Authors:Felix A.H. Sperling and Richard G. HarrisonFrom:Evolution (Vol. 48, Issue 2) Peer-Reviewed

  Apr. 19946,786 words Article Restriction-site analysis of mitochondrial DNA was used to categorize genetic population structure and genetic affinities within the Papillo machaon species group. The phylogenetic links between species in this subgroup...

• Latitudinal variation in developmental time and mass in Drosophila melanogaster

  Author:Wade B. WorthenFrom:Evolution (Vol. 50, Issue 6) Peer-Reviewed

  Dec. 19963,620 words Article Changes in developmental time and dry mass for eight populations of Drosophila melanogaster sampled latitudinally and incubated under four temperature conditions showed substantial changes in phenotypic plasticity for...

• Life-history variation and comparative phylogeography of darters (Pisces: percidae) from the North American central highlands

  Authors:Thomas F. Turner, Joel C. Traxler, David N. Kuhn, and Henry W. RobisonFrom:Evolution (Vol. 50, Issue 5) Peer-Reviewed

  Oct. 19966,920 words Article Phylogeography involves the evaluation of the relationship between genetic variation and geographic distribution of a species to analyze the effects of historical events on divergence. Such congruence of patterns of...

• Inter-individual Variability in the Capacity for Motor Recovery After Ischemic Stroke

  Authors:Shyam Prabhakaran, Eric Zarahn, Claire Riley, Allison Speizer, Ji Y. Chong, Ronald M. Lazar, et al.From:Neurorehabilitation and Neural Repair (Vol. 22, Issue 1) Peer-Reviewed

  January-February 20083,956 words Article 1160LKeywords: Predictors of Recovery; Hemiparesis; Impairment; Fugl-Meyer Scale. 64 Inter-individual Variability in the Capacity for Motor Recovery After Ischemic Stroke SAGE Publications,...

• Ecology of an Aquatic Snake (Thamnophis marcianus) in a Desert Environment: Implications of Early Timing of Birth and Geographic Variation in Reproduction

  Authors:RICHARD A. SEIGEL, NEIL B. FORD, and LAURA A. MAHRTFrom:The American Midland Naturalist (Vol. 143, Issue 2) Peer-Reviewed

  Apr. 20004,973 words Article RICHARD A. SEIGEL [1,2] NEIL B. FORD [3] LAURA A. MAHRT [1,4] ABSTRACT.--We studied the ecology of the checkered garter snake, Thamnophis marcianus, in a desert grassland in southeastern Arizona. The adult sex...

• Genetic variation of microsatellite DNA in moose in Quebec

  Authors:Matthew A. Cronin, John C. Patton, Rehaume Courtois, and Michel CreteFrom:Alces (Vol. 37, Issue 1) Peer-Reviewed

  Winter 20015,484 words Article ABSTRACT: We assessed genetic variation at 5 microsatellite DNA loci in 57 moose (Alces alces) from 3 populations in Quebec. The 5 loci are linked to functional genes (opiod binding and cell adhesion molecule,...

• Polymorphism of palmar main line terminations as an indicator of relationships among Sardinian linguistic groups of males

  Authors:E. Sanna and G. FlorisFrom:Human Biology (Vol. 67, Issue 2) Peer-Reviewed

  Apr. 19955,067 words Article It has been known for some time that qualitative palmar dermatoglyphic traits are genetically controlled (Pons 1954; Glanville 1965; Vrydagh-Laoureux 1971; Kloepfer 1978; Loesch 1978; Morgan et al. 1978; Karev 1991) and...

• Life-history variation in a colonial ascidian: broad-sense heritabilities and tradeoffs in allocation to asexual growth and male and female reproduction

  Authors:Philip O. Yund, Yvette Marcum, and John Stewart-SavageFrom:The Biological Bulletin (Vol. 192, Issue 2) Peer-Reviewed

  Apr. 19975,868 words Article Intraspecific variation in life-history strategy provides a valuable opportunity for examining how natural selection acts on life-history variants to mold reproductive strategies. Evaluating the consequences of selection...

• Within-population variation in demography of Taraxacum officinale: maintenance of genetic diversity

  Authors:M.C. Vavrek, J.B. McGraw, and H.S. YangFrom:Ecology (Vol. 77, Issue 7) Peer-Reviewed

  Oct. 19966,598 words Article Differential response of genotypes to temporal environmental heterogeneity may contribute to the long-term persistence of those genotypes within a population. We tested whether season-dependent fitness components of...

• Natural heritabilities: can they be reliably estimated in the laboratory?

  Authors:Ilana Weigensberg and Derek A. RoffFrom:Evolution (Vol. 50, Issue 6) Peer-Reviewed

  Dec. 19965,080 words Article Narrow-sense heritability (h2) quantifies the impact of parent genotypes on their offspring phenotypes. Problems arise when their field and laboratory measurements generate strong variances. Tests on 189 lab h2s,...

• Genetic and color interactions at a contact zone of Acanthochromis polyacanthus: a marine fish lacking pelagic larvae

  Authors:S. Planes and P.J. DohertyFrom:Evolution (Vol. 51, Issue 4) Peer-Reviewed

  Aug. 19976,728 words Article There are distinct variations in the development of Acanthochromis polyacanthus marine damselfish species in different geographical locations. Morphological differentiation is exhibited by color and certain genetic...

• Large-scale spatiotemporal variation in calf sex ratio in moose (Alces alces): an effect of density-dependent decrease in maternal condition?

  Authors:K. Bjorneraas, E.J. Solberg, I. Herfindal, and B.-E. SaetherFrom:Canadian Journal of Zoology (Vol. 87, Issue 4) Peer-Reviewed

  Apr. 20097,624 words Report The harvest of Norwegian moose (Alces maes (L., 1758)) is directed towards certain sex and age classes to maximize yield in terms of meat or number of animals. Observed side effects are declining numbers of calves per...

• Genetic structure of populations in Western Tyrol

  Authors:K. Mager, F. Pirchner, H. Janetschek, and R. GramlFrom:Human Biology (Vol. 68, Issue 6) Peer-Reviewed

  Dec. 19963,266 words Article ABO, MNSs, and RH blood groups of 920 indigenous inhabitants of two western Austrian mountain valleys were identified, and frequencies of 17 genes and haplotypes were estimated. [F.sub.ST] coefficients between the six...

• Inter-Ethnic/Racial Facial Variations: A Systematic Review and Bayesian Meta-Analysis of Photogrammetric Studies

  Authors:Yi Feng Wen, Hai Ming Wong, Ruitao Lin, Guosheng Yin, and Colman McGrathFrom:PLoS ONE (Vol. 10, Issue 8) Peer-Reviewed

  Aug. 6, 20156,087 words Report 1360LBackground Numerous facial photogrammetric studies have been published around the world. We aimed to critically review these studies so as to establish population norms for various angular and linear facial...

• SPATIAL VARIATION IN SEXUAL SIZE DIMORPHISM OF THE AMERICAN BLACK BEAR (URSUS AMERICANUS) IN EASTERN NORTH AMERICA

  Authors:Brittany M. Pope, Phyllis K. Kennedy, Stephen G. Mech, and Michael L. KennedyFrom:Southwestern Naturalist (Vol. 62, Issue 2) Peer-Reviewed

  June 20174,684 words Article 1160LSpatial patterns of sexual size dimorphism for the American black bear (Ursus americanus) from 12 localities in eastern United States were investigated. Forty-four measurements from 371 (187 males and 184 females) adult...

• The symmetry of correlated selection responses in adaptive evolution: an experimental study using Drosophila

  Authors:Jason Shiotsugu, Armand M. Leroi, Hideko Yashiro, Michael R. Rose, and Laurence D. MuellerFrom:Evolution (Vol. 51, Issue 1) Peer-Reviewed

  Feb. 19976,965 words Article Urea resistance which is a phenotype that has been shown to evolve as a selection response among Drosophila populations was evaluated to determine the correlation between the processes of density-dependent and...

• New cross sectional stature, weight, and head circumference references for Down's syndrome in the UK and Republic of Ireland. (Original Article)

  Authors:M.E. Styles, T.J. Cole, J. Dennis, and M.A. PreeceFrom:Archives of Disease in Childhood (Vol. 87, Issue 2) Peer-Reviewed

  Aug. 20023,442 words Article Aim: To prasent a growth reference for children with uncomplicated DOWN'S syndrome living in the UK and Republic of Ireland. Data are available for height and weight in the age range 0-18 years, including the first...