解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::Temperature and precipitation explain about half the variation in aboveground net primary production (ANPP) among tropical forest sites, but determinants of remaining variation are poorly understood. Here, we test the hypothesis that the amount of leaf area, and its vertical arrangement, predicts ANPP when other varia...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.13214
更新日期:2019-03-01 00:00:00
abstract::The two parameters of the Michaelis-Menten model, the maximum uptake rate and the half-saturation constant, are not stochastically independent, and the half-saturation constant is not a measure of nutrient affinity, as commonly assumed. Failure to realise their interdependence and mechanistic interpretation may lead t...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.13208
更新日期:2019-03-01 00:00:00
abstract::Parasites with low host specificity (e.g. infecting a large diversity of host species) are of special interest in disease ecology, as they are likely more capable of circumventing ecological or evolutionary barriers to infect new hosts than are specialist parasites. Yet for many parasites, host specificity is not fixe...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.13215
更新日期:2019-03-01 00:00:00
abstract::Long-standing theory predicts herbivores and predators should drive selection for increased plant defences, such as the specific production of volatile organic compounds for attracting predators near the site of damage. Along elevation gradients, a general pattern is that herbivores and predators are abundant at low e...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.13190
更新日期:2019-02-01 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
pub_type: 杂志文章,评审
doi:10.1111/ele.13196
更新日期:2019-02-01 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
pub_type: 信件
doi:10.1111/ele.13166
更新日期:2019-01-01 00:00:00
abstract::In animals, sex differences in immunity are proposed to shape variation in infection prevalence and intensity among individuals in a population, with females typically expected to exhibit superior immunity due to life-history trade-offs. We performed a systematic meta-analysis to investigate the magnitude and directio...
journal_title:Ecology letters
pub_type: 杂志文章,meta分析,评审
doi:10.1111/ele.13164
更新日期:2018-12-01 00:00:00
abstract::The impact of species loss from competitive communities partly depends on how populations of the surviving species respond. Predicting the response should be straightforward using models that describe population growth as a function of competitor densities; but these models require accurate estimates of interaction st...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.13163
更新日期:2018-12-01 00:00:00
abstract::Body condition metrics are widely used to infer animal health and to assess costs of parasite infection. Since parasites harm their hosts, ecologists might expect negative relationships between infection and condition in wildlife, but this assumption is challenged by studies showing positive or null condition-infectio...
journal_title:Ecology letters
pub_type: 杂志文章,meta分析,评审
doi:10.1111/ele.13160
更新日期:2018-12-01 00:00:00
abstract::Accurate predictions of soil C feedbacks to climate change depend on an improved understanding of responses of soil C pools and C use by soil microbial groups. We assessed soil and microbial C in a 7-year manipulation of CO2 and warming in a semi-arid grassland. Continuous field isotopic labelling under elevated CO2 f...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.13140
更新日期:2018-11-01 00:00:00
abstract::Because biodiversity is multidimensional and scale-dependent, it is challenging to estimate its change. However, it is unclear (1) how much scale-dependence matters for empirical studies, and (2) if it does matter, how exactly we should quantify biodiversity change. To address the first question, we analysed studies w...
journal_title:Ecology letters
pub_type: 杂志文章,评审
doi:10.1111/ele.13151
更新日期:2018-11-01 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
pub_type: 杂志文章
doi:10.1111/ele.13141
更新日期:2018-11-01 00:00:00
abstract::The canonical factors typically thought to determine herbivore community structure often explain only a small fraction of the variation in herbivore abundance and diversity. We tested how macronutrients and relatively understudied micronutrients interacted to influence the structure of insect herbivore (orthopteran) c...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.13127
更新日期:2018-10-01 00:00:00
abstract::The analysis of functional diversity (FD) has gained increasing importance due to its generality and utility in ecology. In particular, patterns in the spatial distribution and temporal change of FD are being used to predict locations and functional groups that are immediately vulnerable to global changes. A major imp...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.13089
更新日期:2018-08-01 00:00:00
abstract::Food-web complexity often hinders disentangling functionally relevant aspects of food-web structure and its relationships to biodiversity. Here, we present a theoretical framework to evaluate food-web complexity in terms of biodiversity. Food network unfolding is a theoretical method to transform a complex food web in...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12973
更新日期:2018-07-01 00:00:00
abstract::Symbiotic nitrogen (N)-fixing plants are abundant during primary succession, as typical bedrocks lack available N. In turn, fixed N accumulates in soils through biomass turnover and recycling, favouring more nitrophilous organisms. Yet, it is unclear how this facilitation mechanism interacts with competition for other...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12966
更新日期:2018-07-01 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
pub_type: 杂志文章
doi:10.1111/ele.12965
更新日期:2018-07-01 00:00:00
abstract::Theory argues that both soil conditions and aboveground trophic interactions have equivalent potential to limit or promote plant diversity. However, it remains unexplored how they jointly modify the niche differences stabilising species coexistence and the average fitness differences driving competitive dominance. We ...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12954
更新日期:2018-06-01 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
pub_type: 杂志文章
doi:10.1111/ele.12943
更新日期:2018-06-01 00:00:00
abstract::Individual foraging specialisation has important ecological implications, but its causes in group-living species are unclear. One of the major consequences of group living is increased intragroup competition for resources. Foraging theory predicts that with increased competition, individuals should add new prey items ...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12933
更新日期:2018-05-01 00:00:00
abstract::Limited dispersal is commonly used to explain differences in diversification rates. An obvious but unexplored factor affecting dispersal is the mode of locomotion used by animals. Whether individuals walk, swim or fly can dictate the type and severity of geographical barriers to dispersal, and determine the general ra...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12930
更新日期:2018-05-01 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
pub_type: 杂志文章
doi:10.1111/ele.12918
更新日期:2018-04-01 00:00:00
abstract::Species coexistence in diverse communities likely results from multiple interacting factors. Mechanisms such as conspecific negative density dependence (CNDD) and varying life-history strategies related to resource partitioning are known to influence plant fitness, and thereby community composition and diversity. Howe...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12915
更新日期:2018-04-01 00:00:00
abstract::The longstanding biotic interactions hypothesis predicts that herbivore pressure declines with latitude, but the evidence is mixed. To address gaps in previous studies, we measured herbivory and defence in the same system, quantified defence with bioassays, and considered effects of leaf age. We quantified herbivory a...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12925
更新日期:2018-04-01 00:00:00
abstract::The role of trophic specialisation in taxonomic diversification remains unclear. Plant specialists diversify faster than omnivores and animalivores, but at shorter macroevolutionary scales this pattern sometimes reverses. Here, we estimate the effect of diet diversification on speciation rates in noctilionoid bats, co...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12911
更新日期:2018-03-01 00:00:00
abstract::The biogeochemical and stoichiometric signature of vegetation fire may influence post-fire ecosystem characteristics and the evolution of plant 'fire traits'. Phosphorus (P), a potentially limiting nutrient in many fire-prone environments, might be particularly important in this context; however, the effects of fire o...
journal_title:Ecology letters
pub_type: 杂志文章,meta分析
doi:10.1111/ele.12896
更新日期:2018-03-01 00:00:00
abstract::Asexual taxa often have larger ranges than their sexual progenitors, particularly in areas affected by Pleistocene glaciations. The reasons given for this 'geographical parthenogenesis' are contentious, with expansion of the ecological niche or colonisation advantages of uniparental reproduction assumed most important...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12908
更新日期:2018-03-01 00:00:00
abstract::With ongoing global change, life is continuously forced to move to novel areas, which leads to dynamically changing species ranges. As dispersal is central to range dynamics, factors promoting fast and distant dispersal are key to understanding and predicting species ranges. During range expansions, genetic variation ...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12887
更新日期:2018-02-01 00:00:00
abstract::Contact networks are fundamental to the transmission of infection and host sex often affects the acquisition and progression of infection. However, the epidemiological impacts of sex-related variation in animal contact networks have rarely been investigated. We test the hypothesis that sex-biases in infection are rela...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12898
更新日期:2018-02-01 00:00:00
abstract::Understanding how water and solutes enter and propagate through freshwater landscapes in the Anthropocene is critical to protecting and restoring aquatic ecosystems and ensuring human water security. However, high hydrochemical variability in headwater streams, where most carbon and nutrients enter river networks, has...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12897
更新日期:2018-02-01 00:00:00
abstract::Ecological stoichiometry suggests that herbivore growth is limited by phosphorus when this element in the diet is < 8.6 μg P mg C-1 (C : P atomic ratio > 300). However, in nature, it is not necessarily related to the relative phosphorus content in diets. This may be the result of complex feeding and assimilation respo...
journal_title:Ecology letters
pub_type: 杂志文章
doi:10.1111/ele.12882
更新日期:2018-02-01 00:00:00
abstract::Some microbial public goods can provide both individual and community-wide benefits, and are open to exploitation by non-producing species. One such example is the production of metal-detoxifying siderophores. Here, we investigate whether conflicting selection pressures on siderophore production by heavy metals - a de...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.12878
更新日期:2018-01-01 00:00:00
abstract::Species extinctions from local communities negatively affect ecosystem functioning. Ecological mechanisms underlying these impacts are well studied, but the role of evolutionary processes is rarely assessed. Using a long-term field experiment, we tested whether natural selection in plant communities increased biodiver...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.12879
更新日期:2018-01-01 00:00:00
abstract::There has been considerable focus on the impacts of environmental change on ecosystem function arising from changes in species richness. However, environmental change may affect ecosystem function without affecting richness, most notably by affecting population densities and community composition. Using a theoretical ...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.12828
更新日期:2017-10-01 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
pub_type: 信件
doi:10.1111/ele.12816
更新日期:2017-09-01 00:00:00
abstract::Natural ecosystems are shaped along two fundamental axes, space and time, but how biodiversity is partitioned along both axes is not well understood. Here, we show that the relationship between temporal and spatial biodiversity patterns can vary predictably according to habitat characteristics. By quantifying seasonal...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.12798
更新日期:2017-08-01 00:00:00
abstract::Correlative species distribution models are based on the observed relationship between species' occurrence and macroclimate or other environmental variables. In climates predicted less favourable populations are expected to decline, and in favourable climates they are expected to persist. However, little comparative e...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.12794
更新日期:2017-08-01 00:00:00
abstract::Body-size reduction is a ubiquitous response to global warming alongside changes in species phenology and distributions. However, ecological consequences of temperature-size (TS) responses for community persistence under environmental change remain largely unexplored. Here, we investigated the interactive effects of w...
journal_title:Ecology letters
pub_type: 信件
doi:10.1111/ele.12779
更新日期:2017-07-01 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
pub_type: 杂志文章
doi:10.1111/ele.12772
更新日期:2017-06-01 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
pub_type: 杂志文章,评审
doi:10.1111/ele.12762
更新日期:2017-05-01 00:00:00