Cheating, trade-offs and the evolution of aggressiveness in a natural pathogen population.

abstract：:Predicting long-term trends in forest growth requires accurate characterisation of how the relationship between forest productivity and climatic stress varies across climatic regimes. Using a network of over two million tree-ring observations spanning North America and a space-for-time substitution methodology, we for...

journal_title：Ecology letters

authors： Charney ND,Babst F,Poulter B,Record S,Trouet VM,Frank D,Enquist BJ,Evans ME

更新日期：2016-09-01 00:00:00

abstract：:Demographic senescence is increasingly recognised as an important force shaping the dynamics of wild vertebrate populations. However, our understanding of the processes that underpin these declines in survival and fertility in old age remains limited. Evidence for age-related changes in foraging behaviour and habitat ...

journal_title：Ecology letters

authors： Froy H,Börger L,Regan CE,Morris A,Morris S,Pilkington JG,Crawley MJ,Clutton-Brock TH,Pemberton JM,Nussey DH

更新日期：2018-07-01 00:00:00

abstract：:The Green Wave Hypothesis posits that herbivore migration manifests in response to waves of spring green-up (i.e. green-wave surfing). Nonetheless, empirical support for the Green Wave Hypothesis is mixed, and a framework for understanding variation in surfing is lacking. In a population of migratory mule deer (Odocoi...

journal_title：Ecology letters

authors： Aikens EO,Kauffman MJ,Merkle JA,Dwinnell SPH,Fralick GL,Monteith KL

更新日期：2017-06-01 00:00:00

abstract：:The effects of spatial heterogeneity in negative biological interactions on individual performance and species diversity have been studied extensively. However, little is known about the respective effects involving positive biological interactions, including the symbiosis between plants and ectomycorrhizal (EM) fungi...

journal_title：Ecology letters

authors： Livne-Luzon S,Ovadia O,Weber G,Avidan Y,Migael H,Glassman SI,Bruns TD,Shemesh H

更新日期：2017-09-01 00:00:00

abstract：:Specialised natural enemies maintain forest diversity by reducing tree survival in a density- or distance-dependent manner. Fungal pathogens, insects and mammals are the enemy types most commonly hypothesised to cause this phenomenon. Still, their relative importance remains largely unknown, as robust manipulative exp...

journal_title：Ecology letters

authors： Fricke EC,Tewksbury JJ,Rogers HS

更新日期：2014-05-01 00:00:00

abstract：:Global spread of non-native species profoundly changed the world biodiversity patterns, but how it translates into functional changes remains unanswered at the world scale. We here show that while in two centuries the number of fish species per river increased on average by 15% in 1569 basins worldwide, the diversity ...

journal_title：Ecology letters

authors： Toussaint A,Charpin N,Beauchard O,Grenouillet G,Oberdorff T,Tedesco PA,Brosse S,Villéger S

更新日期：2018-11-01 00:00:00

abstract：:In the short-term heterotrophic soil respiration is strongly and positively related to temperature. In the long-term, its response to temperature is uncertain. One reason for this is because in field experiments increases in respiration due to warming are relatively short-lived. The explanations proposed for this ephe...

journal_title：Ecology letters

authors： Bradford MA,Davies CA,Frey SD,Maddox TR,Melillo JM,Mohan JE,Reynolds JF,Treseder KK,Wallenstein MD

更新日期：2008-12-01 00:00:00

abstract：:Dispersal is a key ecological process that is strongly influenced by both phenotype and environment. Here, we show that juvenile environment influences dispersal not only by shaping individual phenotypes, but also by changing the phenotypes of neighbouring conspecifics, which influence how individuals disperse. We use...

journal_title：Ecology letters

authors： Endriss SB,Vahsen ML,Bitume EV,Grey Monroe J,Turner KG,Norton AP,Hufbauer RA

更新日期：2019-01-01 00:00:00

abstract：:Competing theoretical models make different predictions on which life history strategies facilitate growth of small populations. While 'fast' strategies allow for rapid increase in population size and limit vulnerability to stochastic events, 'slow' strategies and bet-hedging may reduce variance in vital rates in resp...

journal_title：Ecology letters

authors： Allen WL,Street SE,Capellini I

更新日期：2017-02-01 00:00:00

abstract：:Conflict and competition lie at the heart of the theories of both ecology and sociobiology. Despite this, the interaction between societal conflicts on one hand and ecological competition on the other remains poorly understood. Here, we investigate this interaction in two ecologically similar sympatric termite species...

journal_title：Ecology letters

authors： Korb J,Foster KR

更新日期：2010-06-01 00:00:00

abstract：:Worldwide, human appropriation of ecosystems is disrupting plant-pollinator communities and pollination function through habitat conversion and landscape homogenisation. Conversion to agriculture is destroying and degrading semi-natural ecosystems while conventional land-use intensification (e.g. industrial management...

journal_title：Ecology letters

authors： Kovács-Hostyánszki A,Espíndola A,Vanbergen AJ,Settele J,Kremen C,Dicks LV

更新日期：2017-05-01 00:00:00

abstract：:Root systems are important for global models of below-ground carbon and nutrient cycling. Notoriously difficult sampling methods and the fractal distribution of root diameters in the soil make data being used in these models especially susceptible to error resulting from under-sampling. We applied the concept of speci...

journal_title：Ecology letters

authors： Taylor BN,Beidler KV,Cooper ER,Strand AE,Pritchard SG

更新日期：2013-07-01 00:00:00

abstract：:Interacting changes in predator and prey diversity likely influence ecosystem properties but have rarely been experimentally tested. We manipulated the species richness of herbivores and predators in an experimental benthic marine community and measured their effects on predator, herbivore and primary producer perform...

journal_title：Ecology letters

authors： Douglass JG,Duffy JE,Bruno JF

更新日期：2008-06-01 00:00:00

abstract：:Increasing interest in the complexity, variation and drivers of movement-related behaviours promise new insight into fundamental components of ecology. Resolving the multidimensionality of spatially explicit behaviour remains a challenge for investigating tactics and their relation to niche construction, but high-reso...

journal_title：Ecology letters

authors： Bastille-Rousseau G,Wittemyer G

更新日期：2019-09-01 00:00:00

abstract：:Resource ratio theory predicts that two species may coexist in the presence of two limiting nutrients provided that each species is limited by the resource it is least able to deplete. We modify this classical competition model to allow interspecific cooperation through trading. We show that resource trade expands the...

journal_title：Ecology letters

authors： de Mazancourt C,Schwartz MW

更新日期：2010-03-01 00:00:00

abstract：:Acquisition and allocation of resources are central to life-history theory. However, empirical work typically focuses only on allocation despite the fact that relationships between fitness components may be governed by differences in the ability of individuals to acquire resources across environments. Here, we outline...

journal_title：Ecology letters

authors： Robinson MR,Beckerman AP

更新日期：2013-03-01 00:00:00

abstract：:To estimate species loss from habitat destruction, ecologists typically use species-area relationships, but this approach neglects the spatial pattern of habitat fragmentation. Here, we provide new, easily applied, analytical methods that place upper and lower bounds on immediate species loss at any spatial scale and ...

journal_title：Ecology letters

authors： Chisholm RA,Lim F,Yeoh YS,Seah WW,Condit R,Rosindell J

更新日期：2018-06-01 00:00:00

abstract：:A component of metabolic scaling theory has worked towards understanding the influence of metabolism over the generation and maintenance of biodiversity. Specific models within this 'metabolic theory of biodiversity' (MTB) have addressed temperature gradients in speciation rate and species richness, but the scope of M...

journal_title：Ecology letters

authors： Stegen JC,Enquist BJ,Ferriere R

更新日期：2009-10-01 00:00:00

abstract：:Intraspecific variation is at the core of evolutionary theory, and yet, from an ecological perspective, we have few robust expectations for how this variation should affect the dynamics of large communities. Here, by adapting an approach from evolutionary game theory, we show that the incorporation of phenotypic varia...

journal_title：Ecology letters

authors： Maynard DS,Serván CA,Capitán JA,Allesina S

更新日期：2019-11-01 00:00:00

abstract：:Ectomycorrhizal (EcM)-mediated nitrogen (N) acquisition is one main strategy used by terrestrial plants to facilitate growth. Measurements of natural abundance nitrogen isotope ratios (denoted as δ(15)N relative to a standard) increasingly serve as integrative proxies for mycorrhiza-mediated N acquisition due to biolo...

journal_title：Ecology letters

authors： Mayor J,Bahram M,Henkel T,Buegger F,Pritsch K,Tedersoo L

更新日期：2015-01-01 00:00:00

abstract：:Food chain theory is one of the cornerstones of ecology, providing many of its basic predictions, such as biomass pyramids, trophic cascades and predator-prey oscillations. Yet, ninety years into this theory, the conditions under which these patterns may occur and persist in nature remain subject to debate. Rather tha...

journal_title：Ecology letters

authors： Barbier M,Loreau M

更新日期：2019-02-01 00:00:00

abstract：:Individual species are distributed inhomogeneously over space and time, yet, within large communities of species, aggregated patterns of biodiversity seem to display nearly universal behaviour. Neutral models assume that an individual's demographic prospects are independent of its species identity. They have successfu...

journal_title：Ecology letters

authors： O'Dwyer JP,Chisholm R

更新日期：2014-08-01 00:00:00

abstract：:Although fungal communities are known to vary along latitudinal gradients, mechanisms underlying this pattern are not well-understood. We used high-throughput sequencing to examine the large-scale distributions of soil fungi and their relation to evolutionary history. We tested the Tropical Conservatism Hypothesis, wh...

journal_title：Ecology letters

authors： Treseder KK,Maltz MR,Hawkins BA,Fierer N,Stajich JE,McGuire KL

更新日期：2014-09-01 00:00:00

abstract：:Understanding the sensitivity of tundra vegetation to climate warming is critical to forecasting future biodiversity and vegetation feedbacks to climate. In situ warming experiments accelerate climate change on a small scale to forecast responses of local plant communities. Limitations of this approach include the app...

journal_title：Ecology letters

authors： Elmendorf SC,Henry GH,Hollister RD,Björk RG,Bjorkman AD,Callaghan TV,Collier LS,Cooper EJ,Cornelissen JH,Day TA,Fosaa AM,Gould WA,Grétarsdóttir J,Harte J,Hermanutz L,Hik DS,Hofgaard A,Jarrad F,Jónsdóttir IS,Keuper F

更新日期：2012-02-01 00:00:00

abstract：:Analyses of temporal patterns of diversity across a wide range of taxa have found that more diverse communities often show smaller compositional changes over time. This generality indicates that high diversity is associated with greater temporal stability in species composition. We examined patterns of diversity and c...

journal_title：Ecology letters

authors： Shurin JB,Arnott SE,Hillebrand H,Longmuir A,Pinel-Alloul B,Winder M,Yan ND

更新日期：2007-02-01 00:00:00

abstract：:The impacts of climate change on forest net biomass change are poorly understood but critical for predicting forest's contribution to the global carbon cycle. Recent studies show climate change-associated net biomass declines in mature forest plots. The representativeness of these plots for regional forests, however, ...

journal_title：Ecology letters

authors： Chen HY,Luo Y,Reich PB,Searle EB,Biswas SR

更新日期：2016-09-01 00:00:00

abstract：:Understanding life history and demographic variation among species within communities is a central ecological goal. Mortality schedules are especially important in ecosystems where disturbance plays a major role in structuring communities, such as coral reefs. Here, we test whether a trait-based, mechanistic model of ...

journal_title：Ecology letters

authors： Madin JS,Baird AH,Dornelas M,Connolly SR

更新日期：2014-08-01 00:00:00

abstract：:The Amazon rain forest sustains the world's highest tree diversity, but it remains unclear why some clades of trees are hyperdiverse, whereas others are not. Using dated phylogenies, estimates of current species richness and trait and demographic data from a large network of forest plots, we show that fast demographic...

journal_title：Ecology letters

authors： Baker TR,Pennington RT,Magallon S,Gloor E,Laurance WF,Alexiades M,Alvarez E,Araujo A,Arets EJ,Aymard G,de Oliveira AA,Amaral I,Arroyo L,Bonal D,Brienen RJ,Chave J,Dexter KG,Di Fiore A,Eler E,Feldpausch TR,Ferreira

更新日期：2014-05-01 00:00:00

abstract：:The ecological and evolutionary consequences of extreme events are poorly understood. Here, we tested predictions about species persistence and population genomic change in aquatic insects in 14 Colorado mountain streams across a hydrological disturbance gradient caused by a one in 500-year rainfall event. Taxa persis...

journal_title：Ecology letters

authors： Poff NL,Larson EI,Salerno PE,Morton SG,Kondratieff BC,Flecker AS,Zamudio KR,Funk WC

更新日期：2018-04-01 00:00:00

abstract：:The terminal allocation and senescence hypotheses make opposite predictions about how age-specific reproductive effort should vary during old age. There is empirical support for both hypotheses, although reports on senescence are more numerous. Individual heterogeneity and selective mortality, however, decrease our ab...

journal_title：Ecology letters

authors： Martin JG,Festa-Bianchet M

更新日期：2011-06-01 00:00:00