نتایج جستجو برای: intraspecific

تعداد نتایج: 7332  

Journal: :Nature Climate Change 2015

Journal: :progress in biological sciences 2014
leila nourani mansour aliabadian

dna barcoding based on a standardized region of 648 base pairs of mitochondrial dnasequences from cytochrome c oxidase 1 (cox1) is proposed for animal species identification.recent studies suggested that dna barcoding has been effective for identifying 94% of birdspecies. the proposed threshold of 10 times the average intraspecific variation could be used forthe identification and delimitation ...

2015
YINGHUI YANG GANG WANG YOUCAI XIONG

Many trait-based plant investigations have neglected the intraspecific trait variations. A lot of ecologists consider that this is unreasonable, because intraspecific variation significantly affects various ecological dynamics. However, it is not feasible to record the traits of each plant individually at every community site. Therefore, the aim of this study was to determine in which circumsta...

2004
Joseph A. Veech

Insight into the factors that influence patterns of species diversity can be obtained by comparing real patterns to their counterparts derived under a model of randomness or a null model. For example, intraspecific aggregation is very common among a wide variety of protozoan, plant, and animal taxa. Despite this, ecologists do not yet fully appreciate the potential effect of intraspecific aggre...

2013
Jennifer G Howeth Jerome J Weis Jakob Brodersen Elizabeth C Hatton David M Post

Contemporary insights from evolutionary ecology suggest that population divergence in ecologically important traits within predators can generate diversifying ecological selection on local community structure. Many studies acknowledging these effects of intraspecific variation assume that local populations are situated in communities that are unconnected to similar communities within a shared r...

2014
Alexandra R Bukowski Jana S Petermann

Understanding the mechanisms of community coexistence and ecosystem functioning may help to counteract the current biodiversity loss and its potentially harmful consequences. In recent years, plant-soil feedback that can, for example, be caused by below-ground microorganisms has been suggested to play a role in maintaining plant coexistence and to be a potential driver of the positive relations...

2017
Christina Hazard Laura Kruitbos Hazel Davidson Fatou T. Mbow Andy F. S. Taylor David Johnson

Effects of biodiversity on productivity are more likely to be expressed when there is greater potential for niche complementarity. In soil, chemically complex pools of nutrient resources should provide more opportunities for niche complementarity than chemically simple pools. Ectomycorrhizal (ECM) fungal genotypes can exhibit substantial variation in nutrient acquisition traits and are key comp...

2018
Thomas J Hossie Shawn MacFarlane Amy Clement Dennis L Murray

Intraspecific aggression represents a major source of mortality for many animals and is often experienced alongside the threat of predation. The presence of predators can strongly influence ecological systems both directly by consuming prey and indirectly by altering prey behavior or habitat use. As such, the threat of attack by higher level predators may strongly influence agonistic interactio...

Journal: :Trends in ecology & evolution 2012
Cyrille Violle Brian J Enquist Brian J McGill Lin Jiang Cécile H Albert Catherine Hulshof Vincent Jung Julie Messier

Despite being recognized as a promoter of diversity and a condition for local coexistence decades ago, the importance of intraspecific variance has been neglected over time in community ecology. Recently, there has been a new emphasis on intraspecific variability. Indeed, recent developments in trait-based community ecology have underlined the need to integrate variation at both the intraspecif...

Journal: :Comparative Cytogenetics 2010

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