Plant biodiversity effects in reducing fluvial erosion are limited to low species richness.

abstract：:The contribution of interspecific competition to structuring population and community dynamics remains controversial and poorly tested. Interspecific competition has long been thought to influence the structure of migrant-resident bird communities in winter, yet experimental evidence remains elusive. The arrival of bi...

journal_title：Ecology

authors： Powell LL,Ames EM,Wright JR,Matthiopoulos J,Marra PP

更新日期：2020-09-27 00:00:00

abstract：:Species intolerant of changing climate might avoid extinction within refugia buffered from extreme conditions. Refugia have been observed in the fossil record but are not well documented or understood on ecological time scales. Using a 37-year record from the eastern Pacific across the two most severe El Niño events o...

journal_title：Ecology

authors： Smith TB,Glynn PW,Maté JL,Toth LT,Gyory J

更新日期：2014-06-01 00:00:00

abstract：:Some species have disproportionate influence on assemblage structure, given their numbers or biomass. Most examples of such "strong interactors" come from small-scale experiments or from observations of the effects of invasive species. There is evidence that entire avian assemblages in open woodlands can be influenced...

journal_title：Ecology

authors： MacNally R,Bowen M,Howes A,McAlpine CA,Maron M

更新日期：2012-03-01 00:00:00

abstract：:Understanding species differences in demographic strategies is a fundamental goal of ecology. In scleractinian corals, colony morphology is tightly linked with many demographic traits, such as size-specific growth and morality. Here we test how well morphology predicts the colony size-fecundity relationship in eight s...

journal_title：Ecology

authors： Álvarez-Noriega M,Baird AH,Dornelas M,Madin JS,Cumbo VR,Connolly SR

更新日期：2016-12-01 00:00:00

abstract：:Removal of predators can have strong indirect effects on primary producers through trophic cascades. Crustose coralline algae (CCA) are major primary producers worldwide that may be influenced by predator removal through changes in grazer composition and biomass. CCA have been most widely studied in Caribbean and temp...

journal_title：Ecology

authors： O'Leary JK,McClanahan TR

更新日期：2010-12-01 00:00:00

abstract：:Recent studies indicate that highly aged material is a major component of organic matter transported by most rivers. However, few studies have used natural 14C to trace the potential entry of this aged material into modern river food webs. Here we use natural abundance 14C, 13C, and deuterium (2H) to trace the contrib...

journal_title：Ecology

authors： Caraco N,Bauer JE,Cole JJ,Petsch S,Raymond P

更新日期：2010-08-01 00:00:00

abstract：:Theories of plant allometry provide a general description of allometric scaling that is supposedly applicable across a wide array of environmental conditions. Scaling theories, however, ignore disturbances such as herbivory in their derivation. Here we examine the influence of herbivores on the scaling of height and d...

journal_title：Ecology

authors： Moncrieff GR,Chamaillé-Jammes S,Higgins SI,O'Hara RB,Bond WJ

更新日期：2011-12-01 00:00:00

abstract：:Global biodiversity decline has prompted great interest in the effects of habitat modification and diversity on the functioning and stability of ecosystem processes. However, the applicability of previous modeled or mesocosm community studies to real diverse communities in different habitats remains ambiguous. We expo...

journal_title：Ecology

authors： Tylianakis JM,Tscharntke T,Klein AM

更新日期：2006-12-01 00:00:00

abstract：:Effects of predation may cascade down the food web. By alleviating interspecific competition among prey, predators may promote biodiversity, but the precise mechanisms of how predators alter competition have remained elusive. Here we report on a predator-exclosure experiment carried out in a tropical intertidal ecosys...

journal_title：Ecology

authors： van Gils JA,van der Geest M,Jansen EJ,Govers LL,de Fouw J,Piersma T

更新日期：2012-05-01 00:00:00

abstract：:Plant species composition and diversity is often influenced by early life history stages; thus, global change could dramatically affect plant community structure by altering seed production. Unfortunately, plant reproductive responses to global change are rarely studied in field settings, making it difficult to assess...

journal_title：Ecology

authors： HilleRisLambers J,Harpole WS,Schnitzer S,Tilman D,Reich PB

更新日期：2009-07-01 00:00:00

abstract：:Plants, bacteria, and fungi produce essential amino acids (EAAs) with distinctive patterns of delta13C values that can be used as naturally occurring fingerprints of biosynthetic origin of EAAs in a food web. Because animals cannot synthesize EAAs and must obtain them from food, their tissues reflect delta13C(EAA) pat...

journal_title：Ecology

authors： Arthur KE,Kelez S,Larsen T,Choy CA,Popp BN

更新日期：2014-05-01 00:00:00

abstract：:Local species diversity is maintained over ecological time by a balance between dispersal and species interactions. Local-regional species richness relationships are often used to investigate the relative importance of these two processes and the scales at which they operate. For communities undergoing succession, the...

journal_title：Ecology

authors： Damschen EI,Brudvig LA

更新日期：2012-04-01 00:00:00

abstract：:Parasites can alter communities by reducing densities of keystone hosts, but few studies have examined how trait-mediated indirect effects of parasites can alter ecological communities. We test how trematode parasites (Microphallus spp.) that affect invasive crayfish (Orconectes rusticus) behavior alter how crayfish i...

journal_title：Ecology

authors： Reisinger LS,Lodge DM

更新日期：2016-06-01 00:00:00

abstract：:It is notoriously difficult to study population interactions among highly mobile animals that cannot be meaningfully confined to experimental plots of limited size. For example, migratory water birds are believed to suffer from competition with resident fish populations for shared food resources. While observational e...

journal_title：Ecology

authors： Haas K,Köhler U,Diehl S,Köhler P,Dietrich S,Holler S,Jaensch A,Niedermaier M,Vilsmeier J

更新日期：2007-11-01 00:00:00

abstract：:The study of how population genetic structure is shaped by attributes of the environment is a central scientific pursuit in ecology and conservation. But limited resources may prohibit landscape genetics studies for many threatened species, particularly given the pace of current environmental change. Understanding the...

journal_title：Ecology

authors： Mims MC,Phillipsen IC,Lytle DA,Kirk EE,Olden JD

更新日期：2015-05-01 00:00:00

abstract：:Measures of body condition, immune function, and hematological health are widely used in ecological studies of vertebrate populations, predicated on the assumption that these traits are linked to fitness. However, compelling evidence that these traits actually predict long-term survival and reproductive success among ...

journal_title：Ecology

authors： Bowers EK,Hodges CJ,Forsman AM,Vogel LA,Masters BS,Johnson BG,Johnson LS,Thompson CF,Sakaluk SK

更新日期：2014-11-01 00:00:00

abstract：:Heterogeneity in site quality can play an important role in patterns of abundance and population dynamics. Yet, estimating site quality in natural systems can be problematic because site quality can (1) vary through ontogeny for a focal organism, leading to shifts in site quality with age, (2) be confounded with (or m...

journal_title：Ecology

authors： Shima JS,Osenberg CW,St Mary CM

更新日期：2008-01-01 00:00:00

abstract：:Mires (bogs and fens) are nutrient-limited peatland ecosystems, the vegetation of which is especially sensitive to nitrogen deposition and climate change. The role of mires in the global carbon cycle, and the delivery of different ecosystem services can be considerably altered by changes in the vegetation, which has a...

journal_title：Ecology

authors： Hedwall PO,Brunet J,Rydin H

更新日期：2017-01-01 00:00:00

abstract：:Modern coexistence theory holds that stabilizing mechanisms, whereby species limit the growth of conspecifics more than that of other species, are necessary for species to coexist. Here, we used experimental and observational approaches to assess stabilizing forces in eight locally co-occurring, annual legume species ...

journal_title：Ecology

authors： Siefert A,Friesen M,Zillig KW,Aguilar J,Strauss SY

更新日期：2021-01-23 00:00:00

abstract：:Flowering sex ratios of dioecious plants are commonly male-biased but rarely female-biased. While greater costs of reproduction from females have been repeatedly demonstrated and explain male biases, male reproductive costs almost never exceed female costs, making the origins of female biases enigmatic. I investigated...

journal_title：Ecology

authors： Shelton AO

更新日期：2010-05-01 00:00:00

abstract：:Variation in invasion success may result from the divergent evolutionary histories of introduced species compared to those of native taxa. The vulnerability of native biotas to ecological disruption may be especially great on oceanic islands invaded by continental species with unique ecological traits. In part because...

journal_title：Ecology

authors： Wilson EE,Holway DA

更新日期：2010-11-01 00:00:00

abstract：:We provide algebraic simplifications for the redundancy analysis (RDA) eigenvalue and the canonical correspondence analysis (CCA) eigenvalue in the special case of permanent plots sampled twice. The indices for RDA and CCA are interrelated and are intuitively interpretable. These simplifications also apply to simple s...

journal_title：Ecology

authors： Palmer MW,McGlinn DJ,Westerberg L,Milberg P

更新日期：2008-06-01 00:00:00

abstract：:The competitive exclusion principle is fundamental to understanding coexistence. Well-established theories predict the conditions for coexistence in consumer-resource interactions. Given that species often compete for commodities offered by mutualists, competitive exclusion theory should also be critical to understand...

journal_title：Ecology

authors： Johnson CA,Bronstein JL

更新日期：2019-06-01 00:00:00

abstract：:An understanding of the demographic processes contributing to invasions would improve our mechanistic understanding of the invasion process and improve the efficiency of prevention and control efforts. However, field comparisons of the demography of invasive and noninvasive species have not previously been conducted. ...

journal_title：Ecology

authors： Burns JH,Pardini EA,Schutzenhofer MR,Chung YA,Seidler KJ,Knight TM

更新日期：2013-05-01 00:00:00

abstract：:We resurveyed the under- and overstory species composition of 94 upland forest stands in southern Wisconsin in 2002-2004 to assess shifts in canopy and understory richness, composition, and heterogeneity relative to the original surveys in 1949-1950. The canopy has shifted from mostly oaks (Quercus spp.) toward more m...

journal_title：Ecology

authors： Rogers DA,Rooney TP,Olson D,Waller DM

更新日期：2008-09-01 00:00:00

abstract：:Reproductive success in flowering plants is influenced by the morphology and timing of reproductive structures as well as the density of surrounding conspecifics. In species with separate male and female flower phases, successful pollen transfer is also expected to vary with the density and ratio of surrounding male a...

journal_title：Ecology

authors： Bartkowska MP,Johnston MO

更新日期：2014-04-01 00:00:00

abstract：:The consequences of declining biodiversity remain controversial, in part because many studies focus on a single metric of ecosystem functioning and fail to consider diversity's integrated effects on multiple ecosystem functions. We used tide pool microcosms as a model system to show that different conclusions about th...

journal_title：Ecology

authors： Bracken ME,Stachowicz JJ

更新日期：2006-09-01 00:00:00

abstract：:The discovery of genetic caste determination (GCD) in populations of Pogonomyrmex harvester ants raises many questions about the evolution and persistence of such populations. The genetic caste determination arises from the existence of two distinct, but mutually dependent, genetic lineages within a population. Worker...

journal_title：Ecology

authors： Julian GE,Cahan SH

更新日期：2006-09-01 00:00:00

abstract：:Obtaining reliable predictions of species range shifts under climate change is a crucial challenge for ecologists and stakeholders. At the continental scale, niche-based models have been widely used in the last 10 years to predict the potential impacts of climate change on species distributions all over the world, alt...

journal_title：Ecology

authors： Morin X,Thuiller W

更新日期：2009-05-01 00:00:00

abstract：:Although many species face numerous predators in nature, the combined impact of multiple predators on the inducible defenses of prey has rarely been studied. Prey may respond with an intermediate phenotype that balances the risk from several sources or may simply respond to the most dangerous predator. I examined the ...

journal_title：Ecology

authors： Bourdeau PE

更新日期：2009-06-01 00:00:00