Demand-driven resource investment in annual seed production by a perennial angiosperm precludes resource limitation.

abstract：:Prolonged droughts exacerbated by climate change have been widely documented to interact with consumers to decimate vegetation in many ecosystems. Although climate change is increasing within-year variation in precipitation and temperature, how weather fluctuations affect the impact of consumers on vegetation processe...

journal_title：Ecology

authors： He Q,Silliman BR,van de Koppel J,Cui B

更新日期：2019-01-01 00:00:00

abstract：:River systems form dendritic ecological networks that influence the spatial structure of riverine communities. Few empirical studies have evaluated how regional, dispersal-related processes and local habitat factors interact to govern network patterns of species composition. We explore such interactions in a boreal wa...

journal_title：Ecology

authors： Kuglerová L,Jansson R,Sponseller RA,Laudon H,Malm-Renöfält B

更新日期：2015-02-01 00:00:00

abstract：:Variation in habitat quality and quantity drive selection on dispersal traits in heterogeneous environments, but the extent to which environmental conditions predict geographic variation in dispersal is rarely evaluated. We assessed dispersal trait variation across the range of Cakile edentula var. lacustris, an annua...

journal_title：Ecology

authors： LaRue EA,Holland JD,Emery NC

更新日期：2018-08-01 00:00:00

abstract：:Recent advances in metabolic scaling theory have highlighted the importance of exchange surfaces and vascular network geometry in understanding the integration and scaling of whole-plant form and function. Additional work on leaf form and function has also highlighted general scaling relationships for many leaf traits...

journal_title：Ecology

authors： Price CA,Enquist BJ

更新日期：2007-05-01 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：:Indirect biotic interactions play a crucial role in structuring ecological communities, but many of these interactions have not been explored. Algal competition and corallivory are two major stressors contributing to the decline of coral reefs. Here, we provide the first evidence of algal-induced corallivory and syner...

journal_title：Ecology

authors： Wolf AT,Nugues MM

更新日期：2013-08-01 00:00:00

abstract：:The diversity and composition of local communities depends strongly on the pool of species that have been able to colonize that community from elsewhere. Typically this is thought to depend on a larger regional species pool that is subject to local environmental constraints that act as "filters." Often, however, colon...

journal_title：Ecology

authors： Cuellar-Gempeler C,Leibold MA

更新日期：2019-04-01 00:00:00

abstract：:Consumer-mediated nutrient supply is increasingly recognized as an important functional process in many ecosystems. Yet, experimentation at relevant spatial and temporal scales is needed to fully integrate this bottom-up pathway into ecosystem models. Artificial reefs provide a unique approach to explore the importanc...

journal_title：Ecology

authors： Allgeier JE,Yeager LA,Layman CA

更新日期：2013-02-01 00:00:00

abstract：:A central challenge in ecology is to understand the interplay of internal and external controls on the growth of populations. We examined the effects of temporal variation in weather and spatial variation in vegetation on the strength of density dependence in populations of large herbivores. We fit three subsets of th...

journal_title：Ecology

authors： Wang G,Hobbs NT,Boone RB,Illius AW,Gordon IJ,Gross JE,Hamlin KL

更新日期：2006-01-01 00:00:00

abstract：:Although regional and global models of nitrogen (N) cycling typically focus on nitrate, dissolved organic nitrogen (DON) is the dominant form of nitrogen export from many watersheds and thus the dominant form of dissolved N in many streams. Our understanding of the processes controlling DON export from temperate fores...

journal_title：Ecology

authors： Lutz BD,Bernhardt ES,Roberts BJ,Mulholland PJ

更新日期：2011-03-01 00:00:00

abstract：:Global environmental change (GEC) is affecting species interactions and causing a rapid decline in biodiversity. In this study, I present a new Ecosystem Disruption Index to quantify the impacts of simulated nitrogen (N) deposition (0, 10, 20, and 50 kg N·ha-1 ·yr-1  + 6-7 kg N·ha-1 ·yr-1 background) on abiotic and bi...

journal_title：Ecology

authors： Ochoa-Hueso R

更新日期：2016-10-01 00:00:00

abstract：:Savannas are characterized by a competitive tension between grasses and trees, and theoretical models illustrate how this competitive tension is influenced by resource availability, competition for these resources, and disturbances. How this universe of theoretical possibilities translates into the real world is, howe...

journal_title：Ecology

authors： Higgins SI,Scheiter S,Sankaran M

更新日期：2010-06-01 00:00:00

abstract：:Although canopy height has long been a focus of interest in ecology, it has remained difficult to study at large spatial scales. Recently, satellite-borne LiDAR equipment produced the first systematic high resolution maps of vegetation height worldwide. Here we show that this new resource reveals three marked modes in...

journal_title：Ecology

authors： Xu C,Hantson S,Holmgren M,van Nes EH,Staal A,Scheffer M

更新日期：2016-09-01 00:00:00

abstract：:Nonrandom seed release is an important determinant of how far seeds disperse, but the mechanisms that promote wind-related seed release under varying atmospheric conditions are poorly understood. We explored the use of particle image velocimetry (PIV) to gain a better mechanistic understanding of seed release by visua...

journal_title：Ecology

authors： Marchetto KM,Williams MB,Jongejans E,Auhl R,Shea K

更新日期：2010-08-01 00:00:00

abstract：:Tropical forests include a diversity of habitats, which has led to specialization in plants. Near Iquitos, in the Peruvian Amazon, nutrient-rich clay forests surround nutrient-poor white-sand forests, each harboring a unique composition of habitat specialist trees. We tested the hypothesis that the combination of impo...

journal_title：Ecology

authors： Fine PV,Miller ZJ,Mesones I,Irazuzta S,Appel HM,Stevens MH,Sääksjärvi I,Schultz JC,Coley PD

更新日期：2006-07-01 00:00:00

abstract：:Invasive plants are considered a major cause of ecosystem degradation worldwide. While their impacts on native plants have been widely reported, there is little information on how these impacts propagate through food webs and affect species at higher trophic levels. Using a quantitative food web approach we evaluated ...

journal_title：Ecology

authors： Carvalheiro LG,Buckley YM,Memmott J

更新日期：2010-04-01 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：:Ecological theory suggests that pathogens are capable of regulating or limiting host population dynamics, and this relationship has been empirically established in several settings. However, although studies of childhood diseases were integral to the development of disease ecology, few studies show population limitati...

journal_title：Ecology

authors： Manlove K,Cassirer EF,Cross PC,Plowright RK,Hudson PJ

更新日期：2016-10-01 00:00:00

abstract：:Most richness estimators currently in use are derived from models that consider sampling with replacement or from the assumption of infinite populations. Neither of the assumptions is suitable for sampling sessile organisms such as plants where quadrats are often sampled without replacement and the area of study is al...

journal_title：Ecology

authors： Shen TJ,He F

更新日期：2008-07-01 00:00:00

abstract：:Plant-soil feedbacks can affect plant community dynamics by influencing processes of coexistence or invasion, or by maintaining alternate stable states. Darwin's naturalization hypothesis suggests that phylogenetic relatedness should be a critical factor governing such feedbacks in invaded communities but is rarely co...

journal_title：Ecology

authors： Brandt AJ,Seabloom EW,Hosseini PR

更新日期：2009-04-01 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：:The high herbivore diversity in savanna systems has been attributed to the inherent spatial and temporal heterogeneity related to the quantity and quality of food resources. Allometric scaling predicts that smaller-bodied grazers rely on higher quality forage than larger-bodied grazers. We replicated burns at varying ...

journal_title：Ecology

authors： Sensenig RL,Demment MW,Laca EA

更新日期：2010-10-01 00:00:00

abstract：:Coastal wetlands significantly contribute to global carbon storage potential. Sea-level rise and other climate-change-induced disturbances threaten coastal wetland sustainability and carbon storage capacity. It is critical that we understand the mechanisms controlling wetland carbon loss so that we can predict and man...

journal_title：Ecology

authors： Stagg CL,Schoolmaster DR,Krauss KW,Cormier N,Conner WH

更新日期：2017-08-01 00:00:00

abstract：:Many tropical forests are characterized by large losses of plant-available forms of nitrogen (N), indicating that they are N rich, and by an abundance of plants capable of symbiotic N fixation. These N-fixing plants can fix enough N to drive N richness. However, biological N fixation (BNF) is more expensive than using...

journal_title：Ecology

authors： Menge DN,Levin SA

更新日期：2017-04-01 00:00:00

abstract：:Predictive classifications of life histories are essential for evolutionary ecology. While attempts to apply a single approach to all organisms may be overambitious, recent advances suggest that more narrow ordination schemes can be useful. However, these schemes mostly lack easily observable proxies of the position o...

journal_title：Ecology

authors： Davis RB,Javoiš J,Kaasik A,Õunap E,Tammaru T

更新日期：2016-08-01 00:00:00

abstract：:We considered Cushing's match/mismatch theory in a heterotrophic environment and hypothesized that settlement and recruitment success in blue mussel are higher when the food supply is rich in polyunsaturated and essential fatty acids (PUFA/EFA). To test this hypothesis, we monitored larval development as well as fatty...

journal_title：Ecology

authors： Toupoint N,Gilmore-Solomon L,Bourque F,Myrand B,Pernet F,Olivier F,Tremblay R

更新日期：2012-08-01 00:00:00

abstract：:The relationship between Adélie Penguins (Pygoscelis adeliae) and ice is well established, with sea ice influencing penguin populations through a variety of processes operating at different spatial and temporal scales. To further explain the relationship between sea ice and Adélie Penguin reproductive performance, we ...

journal_title：Ecology

authors： Emmerson L,Southwell C

更新日期：2008-08-01 00:00:00

abstract：:Competition is predicted to affect the expression of inducible defenses, but because costs of behavioral and morphological antipredator defenses differ along resource gradients, its effects on defenses may depend on the traits considered. We tested the predictions from different defense models in tadpoles of the commo...

journal_title：Ecology

authors： Teplitsky C,Laurila A

更新日期：2007-07-01 00:00:00

abstract：:The magnitude and direction of biological effects of environmental disturbances can vary considerably, especially among studies that use presence/absence manipulations. Because nonlinearities (e.g., humped relationships) are common in biological systems, this heterogeneity in effects may arise if systems are similar i...

journal_title：Ecology

authors： Gil MA

更新日期：2013-08-01 00:00:00

abstract：:A simple description of temporal dynamics of ecological communities may help us understand how community assembly proceeds, predict ecological responses to environmental disturbances, and improve the performance of biological conservation actions. Although community changes take place at multiple temporal scales, the ...

journal_title：Ecology

authors： Ontiveros VJ,Capitán JA,Casamayor EO,Alonso D

更新日期：2020-11-20 00:00:00