Abstract:
:Much of the world's terrestrial landscapes are being altered by humans in the form of agriculture, urbanization and pastoral systems, with major implications for biodiversity. Bumble bees are one of the most effective pollinators in both natural and cultivated landscapes, but are often the first to be extirpated in human-altered habitats. Yet, little is known about the role of natural and human-altered habitats in promoting or limiting bumble bee gene flow. In this study, I closely examine the genetic structure of the yellow-faced bumble bee, Bombus vosnesenskii, across the southwestern US coast and find strong evidence that natural oceanic barriers, as well as contemporary human-altered habitats, limit bee gene flow. Heterozygosity and allelic richness were lower in island populations, while private allelic richness was higher in island populations compared to mainland populations. Genetic differentiation, measured for three indices across the 1000 km study region, was significantly greater than the null expectation (F(ST) = 0.041, F'(ST) = 0.044 and D(est) = 0.155) and correlated with geographic distance. Furthermore, genetic differentiation patterns were most strongly correlated with contemporary (2011) not past (2006, 2001) resistance maps calibrated for high dispersal limitation over oceans, impervious habitat and croplands. Despite the incorporation of dramatic elevation gradients, the analyses reveal that oceans and contemporary human land use, not mountains, are the primary dispersal barriers for B. vosnesenskii gene flow. These findings reinforce the importance of maintaining corridors of suitable habitat across the distribution range of native pollinators to promote their persistence and safeguard their ability to provide essential pollination services.
journal_name
Mol Ecoljournal_title
Molecular ecologyauthors
Jha Sdoi
10.1111/mec.13090subject
Has Abstractpub_date
2015-03-01 00:00:00pages
993-1006issue
5eissn
0962-1083issn
1365-294Xjournal_volume
24pub_type
杂志文章abstract::Strong selection within a given population locally reduces genetic variability not only in the selected gene itself but also in neighbouring loci. This so-called hitch-hiking effect is related to the initial linkage disequilibrium between markers and the selected gene, and depends mainly on the number of copies of the...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03620.x
更新日期:2008-02-01 00:00:00
abstract::Life history adaptations and spatial configuration of metapopulation networks allow certain species to persist in extreme fluctuating environments, yet long-term stability within these systems relies on the maintenance of linkage habitat. Degradation of such linkages in urban riverscapes can disrupt this dynamic in aq...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.14445
更新日期:2018-01-01 00:00:00
abstract::Anthropogenic global climate change is expected to cause severe range contractions among alpine plants. Alpine areas in the Mediterranean region are of special concern because of the high abundance of endemic species with narrow ranges. This study combined species distribution models, population structure analyses and...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12383
更新日期:2013-08-01 00:00:00
abstract::Gene flow is a fundamental evolutionary force in adaptation that is especially important to understand as humans are rapidly changing both the natural environment and natural levels of gene flow. Theory proposes a multifaceted role for gene flow in adaptation, but it focuses mainly on the disruptive effect that gene f...
journal_title:Molecular ecology
pub_type: 杂志文章,评审
doi:10.1111/mec.13606
更新日期:2016-05-01 00:00:00
abstract::The taxonomic status of brown bears in the Caucasus remains unclear. Several morphs or subspecies have been identified from the morphological (craniological) data, but the status of each of these subspecies has never been verified by molecular genetic methods. We analysed mitochondrial DNA sequences (control region) t...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2010.04610.x
更新日期:2010-05-01 00:00:00
abstract::Phylogeography has provided a new approach to the analysis of the postglacial history of a wide range of taxa but, to date, little is known about the effect of glacial periods on the marine biota of Europe. We have utilized a combination of nuclear, plastid and mitochondrial genetic markers to study the biogeographic ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2005.02447.x
更新日期:2005-03-01 00:00:00
abstract::There has been substantial interest of late in using population genetic methods to study sexual conflict, where an allele increases the fitness of one sex at some cost to the other (Mank, 2017). Population genomic scans for sexual conflict offer an important advance given the difficulties of identifying antagonistic a...
journal_title:Molecular ecology
pub_type: 新闻
doi:10.1111/mec.15311
更新日期:2020-01-01 00:00:00
abstract::Conspecific brood parasitism allows females to exploit other females' nests and enhance their reproductive output. Here, we test a recent theoretical model of how host females gain inclusive fitness from brood parasitism. High levels of relatedness between host and parasitizer can be maintained either by: (a) kin reco...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.15258
更新日期:2019-11-01 00:00:00
abstract::Understanding the pattern of connectivity among populations is crucial for the development of realistic and spatially explicit population models in marine systems. Here we analysed variation at eight microsatellite loci to assess the genetic structure and to infer patterns of larval dispersal for a brooding coral, Ser...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2006.03187.x
更新日期:2007-02-01 00:00:00
abstract::One of the primary challenges of evolutionary research is to identify ecological factors that favour reproductive isolation. Therefore, studying partially isolated taxa has the potential to provide novel insight into the mechanisms of evolutionary divergence. Our study utilizes an adaptive colour polymorphism in the a...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.14527
更新日期:2018-03-01 00:00:00
abstract::We present a new approach for defining groups of populations that are geographically homogeneous and maximally differentiated from each other. As a by-product, it also leads to the identification of genetic barriers between these groups. The method is based on a simulated annealing procedure that aims to maximize the ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.2002.01650.x
更新日期:2002-12-01 00:00:00
abstract::Hypotheses of diversification in eastern North American freshwater fishes have focused primarily on allopatric distributions of species between disjunct highland areas and major river systems. However, these hypotheses do not fully explain the rich diversity of species within highland regions and river systems. Relati...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2010.04866.x
更新日期:2010-11-01 00:00:00
abstract::The spatial genetic structure of the neotropical, clustered tree species Vouacapoua americana (Aublet) was studied in two natural forest stands (Paracou and Nouragues) in French Guiana. Using eight microsatellite loci, V. americana is characterized by a marked genetic structure at small spatial distances (under 30-60 ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.2002.01475.x
更新日期:2002-04-01 00:00:00
abstract::The repeated evolution of similar phenotypes by similar mechanisms can be indicative of local adaptation, constraints or biases in the evolutionary process. Little is known about the incidence of physiological convergence in natural populations, so here we test whether energy metabolism in 'dwarf' and 'normal' Lake Wh...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13847
更新日期:2017-01-01 00:00:00
abstract::Dispersal is a fundamental attribute of species in nature and shapes population dynamics, evolutionary trajectories and genetic variation across spatial and temporal scales. It is increasingly clear that landscape features have large impacts on dispersal patterns. Thus, understanding how individuals and species move t...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2010.04872.x
更新日期:2010-12-01 00:00:00
abstract::The fauna of oceanic islands provide exceptional models with which to examine patterns of dispersal, isolation and diversification, from incipient speciation to species level radiations. Here, we investigate recent differentiation and microevolutionary change in Berthelot's pipit (Anthus berthelotii), an endemic bird ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03543.x
更新日期:2007-11-01 00:00:00
abstract::Landscape genomics promises to provide novel insights into how neutral and adaptive processes shape genome-wide variation within and among populations. However, there has been little emphasis on examining whether individual-based phenotype-genotype relationships derived from approaches such as genome-wide association ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13473
更新日期:2016-01-01 00:00:00
abstract::We analysed the polygynous mating system of the bat Saccopteryx bilineata using behaviour observations and genetic data on 11 microsatellite DNA loci. Basic social units in S. bilineata are harem groups that consist of single males and up to eight females. Colonies comprise several harem groups, and the composition of...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.2003.01722.x
更新日期:2003-01-01 00:00:00
abstract::The existence of transgenic hybrids resulting from transgene escape from genetically modified (GM) crops to wild or weedy relatives is well documented but the fate of the transgene over time in recipient wild species populations is still relatively unknown. This is the first report of the persistence and apparent intr...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03567.x
更新日期:2008-03-01 00:00:00
abstract::To understand the success of invasive species, it is important to know whether colonization events are facilitated by adaptive evolution or are limited to sites where a species is pre-adapted to thrive. Studies of the ancient colonization patterns of an invader in its native range provide an opportunity to examine its...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03508.x
更新日期:2007-10-01 00:00:00
abstract::Palaeoclimatic events and biogeographical processes since the mid-Tertiary are believed to have strongly influenced the evolution and distribution of the terrestrial vertebrate fauna of southeastern Australia. We examined the phylogeography of the temperate-adapted members of the Egernia whitii species group, a group ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2005.02463.x
更新日期:2005-04-01 00:00:00
abstract::Sequence and restriction site analyses of the paternally inherited chloroplast rbcL gene and maternally inherited mitochondrial nad1 fragments from the same set of populations and individuals were used to investigate cytoplasmic composition and population establishment of Pinus densata, a diploid pine that originated ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.2003.01962.x
更新日期:2003-11-01 00:00:00
abstract::DNA-based sex tests now exist for many avian species. However, none of these tests are widely applicable to ratites. We present DNA sequence data for a locus that is W chromosome-linked in the kiwi, ostrich, cassowary, rhea, and emu. At the amino acid level, this sequence has significant homology to X-linked genes in ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.2002.01483.x
更新日期:2002-04-01 00:00:00
abstract::In certain cases, a species may have access to important genetic variation present in a related species via adaptive introgression. These novel alleles may interact with their new genetic background, resulting in unexpected phenotypes. In this study, we describe a selective sweep on standing variation on the X chromos...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13382
更新日期:2015-10-01 00:00:00
abstract::Recent theory has examined the way in which vaccination strategies are expected to influence the evolution of parasite virulence. Most of this work has assumed that vaccination is imposed on a homogeneous host population. However, host populations are typically composed of different types of individuals, with each typ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03418.x
更新日期:2008-01-01 00:00:00
abstract::The codling moth, Cydia pomonella, is renowned for developing resistance to insecticides and causing significant economic damage to pome fruits worldwide. In spite of its economic importance, little is known about the patterns of movement of this pest and the effects of insecticide treatment on the population genetic ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03410.x
更新日期:2007-09-01 00:00:00
abstract::We examined male reproductive success in a common brushtail possum population in New Zealand farmland. Paternity was assigned to 66 of 91 pouch young (maternity known), using a likelihood approach applied to genotypes at six microsatellite loci having an overall average exclusion probability of around 99%. The distrib...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.2000.00941.x
更新日期:2000-07-01 00:00:00
abstract::The Socotra Archipelago is an ancient continental fragment of Gondwanan origin and one of the most isolated landforms on Earth and a biodiversity hot spot. Yet, the biogeography and evolutionary history of its endemic fauna still remain largely overlooked. We investigate the origin, tempo and mode of diversification i...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2012.05672.x
更新日期:2012-08-01 00:00:00
abstract::Transcontinental migration is a fascinating example of how animals can respond to climatic oscillation. Yet, quantitative data on fitness components are scarce, and the resulting population genetic consequences are poorly understood. Migratory divides, hybrid zones with a transition in migratory behaviour, provide a n...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13521
更新日期:2016-06-01 00:00:00
abstract::Herbicides act as human-mediated novel selective agents and community disruptors, yet their full effects on eco-evolutionary dynamics in natural communities have only begun to be appreciated. Here, we synthesize how herbicide exposures can result in dramatic phenotypic and compositional shifts within communities at th...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.15510
更新日期:2020-06-16 00:00:00