Insect herbivores, chemical innovation, and the evolution of habit specialization in Amazonian trees.

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：: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：:Urbanization has profound influences on ecological communities, but our understanding of causal mechanisms is limited by a lack of attention to its component stressors. Published research suggests that at landscape scales, habitat loss and fragmentation are the major drivers of community change, whereas at local scale...

journal_title：Ecology

authors： Schlesinger MD,Manley PN,Holyoak M

更新日期：2008-08-01 00:00:00

abstract：:Population context should influence pollination success and selection on floral display in animal-pollinated plants because attraction of pollinators depends not only on the characteristics of individual plants, but also on the attractiveness of co-occurring conspecifics. The insect-pollinated herb Primula farinosa is...

journal_title：Ecology

authors： Toräng P,Ehrlén J,Agren J

更新日期：2006-08-01 00:00:00

abstract：:Two contrasting approaches to the analysis of population dynamics are currently popular: demographic approaches where the associations between demographic rates and statistics summarizing the population dynamics are identified; and time series approaches where the associations between population dynamics, population d...

journal_title：Ecology

authors： Coulson T,Ezard TH,Pelletier F,Tavecchia G,Stenseth NC,Childs DZ,Pilkington JG,Pemberton JM,Kruuk LE,Clutton-Brock TH,Crawley MJ

更新日期：2008-06-01 00:00:00

abstract：:In view of growing interest in understanding how biodiversity affects ecosystem functioning, we investigated effects of riparian plant diversity on litter decomposition in forest streams. Leaf litter from 10 deciduous tree species was collected during natural leaf fall at two locations (Massif Central in France and Ca...

journal_title：Ecology

authors： Lecerf A,Risnoveanu G,Popescu C,Gessner MO,Chauvet E

更新日期：2007-01-01 00:00:00

abstract：:To elucidate the factors that affect the performance of plants in their natural environment, it is essential to study interactions with other neighboring plants, as well as with above- and belowground higher trophic organisms. We used a long-term field experiment to study how local plant community diversity influenced...

journal_title：Ecology

authors： Bezemer TM,Harvey JA,Kowalchuk GA,Korpershoek H,van der Putten WH

更新日期：2006-08-01 00:00:00

abstract：:The field of movement ecology has rapidly grown during the last decade, with important advancements in tracking devices and analytical tools that have provided unprecedented insights into where, when, and why species move across a landscape. Although there has been an increasing emphasis on making animal movement data...

journal_title：Ecology

authors： Morato RG,Thompson JJ,Paviolo A,de La Torre JA,Lima F,McBride RT Jr,Paula RC,Cullen L Jr,Silveira L,Kantek DLZ,Ramalho EE,Maranhão L,Haberfeld M,Sana DA,Medellin RA,Carrillo E,Montalvo V,Monroy-Vilchis O,Cruz P,Jaco

更新日期：2018-07-01 00:00:00

abstract：:Nitrogen (N) deposition in heavily polluted southern Californian shrublands is estimated to be 20-45 kg N x ha(-1) x yr(-1), but more exposed locales can receive as much as 145 kg N x ha(-1) x yr(-1). This large anthropogenic N input has the capacity to alter the composition of plant communities. We conducted N-fertil...

journal_title：Ecology

authors： Vourlitis GL,Pasquini SC

更新日期：2009-08-01 00:00:00

abstract：:Foraging theory posits that isolation from refuge habitat within a landscape increases perceived predation risk and, thus, suppresses the foraging behavior of prey species. However, these effects may depend fundamentally on resource availability, which could affect prey boldness and can change considerably through bot...

journal_title：Ecology

authors： Gil MA,Zill J,Ponciano JM

更新日期：2017-02-01 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：: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：:The influence of pathogens on host fitness is one of the key questions in infection ecology. Hantaviruses have coevolved with their hosts and are generally thought to have little or no effect on host survival or reproduction. We examined the effect of Puumala virus (PUUV) infection on the winter survival of bank voles...

journal_title：Ecology

authors： Kallio ER,Voutilainen L,Vapalahti O,Vaheri A,Henttonen H,Koskela E,Mappes T

更新日期：2007-08-01 00:00:00

abstract：:We examined the relationship between the isolation of experimental aquatic mesocosms and the abundance of an aquatic insect colonist, Notonecta irrorata, over two years. We used a curve-fitting approach to assess whether linear or quadratic models better describe the relationship between isolation and abundance. For t...

journal_title：Ecology

authors： McCauley SJ,Davis CJ,Nystrom J,Werner EE

更新日期：2009-09-01 00:00:00

abstract：:Population growth and decline are particularly sensitive to changes in three key life-history parameters: annual productivity, juvenile survival, and adult survival. However, for many species these parameters remain unknown. For example, although grassland songbirds are imperiled throughout North America, for this gui...

journal_title：Ecology

authors： Perlut NG,Strong AM,Donovan TM,Buckley NJ

更新日期：2008-07-01 00:00:00

abstract：:The Caspian Sea hosts unique native and endemic faunas. However, it is also a source and sink of invasive alien species (IAS), with some listed among the worst 100 invasive species by the IUCN. A common approach to study biodiversity and biogeographic patterns or to predict the invasive potential of species is the app...

journal_title：Ecology

authors： Lattuada M,Wilke T,Raes N

更新日期：2020-09-01 00:00:00

abstract：:Recent studies have shown that genetically based traits of plants can structure associated arthropod and microbial communities, but whether the effects are consistent and repeatable across years is unknown. If communities are both heritable (i.e., related individuals tend to support similar communities) and repeatable...

journal_title：Ecology

authors： Keith AR,Bailey JK,Whitham TG

更新日期：2010-11-01 00:00:00

abstract：:Predators exert a strong influence on ecological communities by reducing the abundance of prey (consumptive effects) and shaping their foraging behavior (non-consumptive effects). Although the prevalence of trophic cascades triggered by non-consumptive effects is increasingly recognized in a wide range of ecosystems, ...

journal_title：Ecology

authors： Pessarrodona A,Boada J,Pagès JF,Arthur R,Alcoverro T

更新日期：2019-05-01 00:00:00

abstract：:Mutualisms are well known to influence individual fitness and the population dynamics of partner species, but little is known about whether they influence species distributions and the location of geographic range limits. Here, we examine the contribution of plant-pollinator interactions to the geographic range limit ...

journal_title：Ecology

authors： Moeller DA,Geber MA,Eckhart VM,Tiffin P

更新日期：2012-05-01 00:00:00

abstract：:Grazing, fire, and climate shape mesic grassland communities. With global change altering all three factors, understanding how grasslands respond to changes in these combined drivers may aid in projecting future changes in grassland ecosystems. We manipulated rainfall and simulated grazing (clipping) in two long-term ...

journal_title：Ecology

authors： Koerner SE,Collins SL

更新日期：2014-01-01 00:00:00

abstract：:Variation is an essential feature of biological populations, yet much of ecological theory treats individuals as though they are identical. This simplifying assumption is often justified by the perception that variation among individuals does not have significant effects on the dynamics of whole populations. However, ...

journal_title：Ecology

authors： Johnson DW,Freiwald J,Bernardi G

更新日期：2016-03-01 00:00:00

abstract：:The majority of food web studies are based on connectivity, top-down impacts, bottom-up flows, or trophic position (TP), and ecologists have argued for decades which is best. Rarely have any two been considered simultaneously. The present study uses a procedure that integrates the last three approaches based on taxon-...

journal_title：Ecology

authors： Benke AC

更新日期：2018-06-01 00:00:00

abstract：:Ongoing statistical sophistication allows a shift from describing species' spatial distributions toward statistically disentangling the possible roles of environmental variables in shaping species distributions. Based on a landscape-scale benthic survey in the Dutch Wadden Sea, we show the merits of spatially explicit...

journal_title：Ecology

authors： Kraan C,Aarts G,Van der Meer J,Piersma T

更新日期：2010-06-01 00:00:00

abstract：:Increased incorporation of terrestrial organic matter (t-OM) into consumer biomass (allochthony) is believed to reduce growth capacity. In this study, we examined the relationship between crustacean zooplankton allochthony and production in a boreal lake that displays strong seasonal variability in t-OM inputs. Contra...

journal_title：Ecology

authors： Grosbois G,Vachon D,Del Giorgio PA,Rautio M

更新日期：2020-06-01 00:00:00

abstract：:Mechanisms of community assembly and ecosystem function are often analyzed using community-weighted mean trait values (CWMs). We present a novel conceptual framework to quantify the contribution of demographic processes (i.e., growth, recruitment, and mortality) to temporal changes in CWMs. We used this framework to a...

journal_title：Ecology

authors： Muscarella R,Lohbeck M,Martínez-Ramos M,Poorter L,Rodríguez-Velázquez JE,van Breugel M,Bongers F

更新日期：2017-11-01 00:00:00

abstract：:Pollination and herbivory networks have mainly been studied separately, highlighting their distinct structural characteristics and the related processes and dynamics. However, most plants interact with both pollinators and herbivores, and there is evidence that both types of interaction affect each other. Here we inve...

journal_title：Ecology

authors： Sauve AMC,Thébault E,Pocock MJO,Fontaine C

更新日期：2016-04-01 00:00:00

abstract：:It is commonly assumed that microbial communities are structured by "bottom-up" ecological forces, although few experimental manipulations have rigorously tested the mechanisms by which resources structure soil communities. We investigated how plant substrate availability might structure fungal communities and belowgr...

journal_title：Ecology

authors： Cline LC,Hobbie SE,Madritch MD,Buyarski CR,Tilman D,Cavender-Bares JM

更新日期：2018-01-01 00:00:00

abstract：:Although the study of resource subsidies has emerged as a key topic in both ecosystem and food web ecology, the dialogue over their role has been limited by separate approaches that emphasize either subsidy quantity or quality. Considering quantity and quality together may provide a simple, but previously unexplored, ...

journal_title：Ecology

authors： Marcarelli AM,Baxter CV,Mineau MM,Hall RO Jr

更新日期：2011-06-01 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：:The literature suggests that small genomes promote invasion in plants, but little is known about the interaction of genome size with other traits or about the role of genome size during different phases of the invasion process. By intercontinental comparison of native and invasive populations of the common reed Phragm...

journal_title：Ecology

authors： Pyšek P,Skálová H,Čuda J,Guo WY,Suda J,Doležal J,Kauzál O,Lambertini C,Lučanová M,Mandáková T,Moravcová L,Pyšková K,Brix H,Meyerson LA

更新日期：2018-01-01 00:00:00