Interactions between abiotic constraint, propagule pressure, and biotic resistance regulate plant invasion.

abstract：:We reared larvae of three generalist insect species on plants occurring in their habitats. Individuals of each species were kept either on mixed diets, or on each plant species separately. We measured food plant preference in the mixed-diet group and compared insect performance on single plants to the performance on t...

journal_title：Oecologia

authors： Hägele BF,Rowell-Rahier M

更新日期：1999-06-01 00:00:00

abstract：:1. There is a well-defined time sequence in the oxygen consumption of Porcellio scaber. A maximal rate (the 'active rate') is obtained in woodlice subjected to the maximal disturbance of food presentation, handling and light. After initial exploratory activity has ceased, the oxygen consumption declines through a seri...

journal_title：Oecologia

authors： Newell RC,Wieser W,Pye VI

更新日期：1974-03-01 00:00:00

abstract：:We evaluate the empirical and theoretical support for the hypothesis that a large proportion of native species richness is required to maximize ecosystem stability and sustain function. This assessment is important for conservation strategies because sustenance of ecosystem functions has been used as an argument for t...

journal_title：Oecologia

authors： Schwartz MW,Brigham CA,Hoeksema JD,Lyons KG,Mills MH,van Mantgem PJ

更新日期：2000-02-01 00:00:00

abstract：:Theory suggests that source-sink dynamics can allow coexistence of intraguild predators and prey, but empirical evidence for this coexistence mechanism is limited. We used capture-mark-recapture, genetic methods, and stable isotopes to test whether source-sink dynamics promote coexistence between stream fishes, the in...

journal_title：Oecologia

authors： Sepulveda AJ,Lowe WH

更新日期：2011-08-01 00:00:00

abstract：:Models of the evolution of seed dormancy reveal that dormancy is favoured either when opportunities for establishment vary over time and when there is wide variation in the probability of success, or when the probability of success is limited by frequency dependence. Empirical evidence supporting the temporal heteroge...

journal_title：Oecologia

authors： Zammit C,Zedler PH

更新日期：1990-08-01 00:00:00

abstract：:Genotypes of the annual legume Amphicarpaea bracteata vary in their degree of specialization toward different nitrogen-fixing bacteria. Plants of lineages "Ib" and "II" are specialized for mutualism with a limited group of bacterial genotypes. Lineage "Ia" plants are symbiotic generalists, interacting with all bacteri...

journal_title：Oecologia

authors： Wilkinson HH,Parker MA

更新日期：1996-10-01 00:00:00

abstract：:Seasonal excavations of ramet systems in overlapping natural populations of Typha latifolia and T. angustifolia revealed intrapopulation variation in ramet size and reproduction. Reproductive "states" were recognized based on whether or not a ramet had flowered and the number of offspring ramets it possessed. As the g...

journal_title：Oecologia

authors： Grace JB,Wetzel RG

更新日期：1982-01-01 00:00:00

abstract：:Intraspecific positive relationships between abundance and occupancy are observed for many species, suggesting that the same processes drive local and regional species dynamics. Two main groups of mechanisms explain this relationship: spatiotemporal variation in local population growth rates due to variation in habita...

journal_title：Oecologia

authors： Östman Ö

更新日期：2011-03-01 00:00:00

abstract：:The duration times of the eggs, nauplii and copepodites of Cyclops vicinus and Eudiaptomus gracilis were obtained, by experiment, at 5, 10, 15 and 20°C. In contrast with previously published work on copepod development, the ovigerous females, used in the cultures at these temperatures, were removed from a water storag...

journal_title：Oecologia

authors： Munro IG

更新日期：1974-12-01 00:00:00

abstract：:The response of an Australian arid-zone gecko community to sulphur dioxide and salt spray from a mine and industrial site was investigated from 1992 to 1995. Geckos were abundant and fecund at control sites in chenopod shrubland and annual capture rates were strongly influenced by minimum night temperatures. Capture r...

journal_title：Oecologia

authors： Read JL

更新日期：1998-04-01 00:00:00

abstract：:Anthropogenic nitrogen deposition and projected increases in rainfall variability (the frequency of drought and heavy rainfall events) are expected to strongly influence ecosystem processes such as litter decomposition. However, how these two global change factors interact to influence litter decomposition is largely ...

journal_title：Oecologia

authors： Schuster MJ

更新日期：2016-03-01 00:00:00

abstract：:In abandoned or extensively managed grasslands, the mechanisms involved in pioneer tree species success are not fully explained. Resource competition among plants and microclimate modifications have been emphasised as possible mechanisms to explain variation of survivorship and growth. In this study, we evaluated a nu...

journal_title：Oecologia

authors： Picon-Cochard C,Coll L,Balandier P

更新日期：2006-06-01 00:00:00

abstract：:Climate-mediated shifts in species' phenologies are expected to alter species interactions, but predicting the consequences of this is difficult because phenological shifts may be driven by different climate factors that may or may not be correlated. Temperature could be an important factor determining effects of phen...

journal_title：Oecologia

authors： Rudolf VH,Singh M

更新日期：2013-11-01 00:00:00

abstract：:In indeterminate plant species, the rate of vegetative growth usually declines during the stage of active reproductive growth. Fruit shedding, as induced by insect herbivores, could counteract this decline. Due to the relative increase in vegetative growth, plants that have suffered reproductive damage could be better...

journal_title：Oecologia

authors： Sadras VO

更新日期：1997-02-01 00:00:00

abstract：:Forest destruction and disturbance can have long-term consequences for species diversity and ecosystem processes such as seed dispersal. Understanding these consequences is a crucial component of conserving vulnerable ecosystems. In the heavily fragmented and disturbed Kakamega Forest, western Kenya, we studied seed d...

journal_title：Oecologia

authors： Farwig N,Böhning-Gaese K,Bleher B

更新日期：2006-03-01 00:00:00

abstract：:Two primarily granivorous rodents of Old World deserts,Gerbillus allenbyi (mean adult body mass=26 g) andG. pyramidum (mean adult body mass=40 g), coexist in sandy habitats in the northwestern Negev desert. Both species are burrow dwellers and are nocturnal; however, in their overall distributions,G. pyramidum occurs ...

journal_title：Oecologia

authors： Degen AA,Pinshow B,Kam M

更新日期：1992-07-01 00:00:00

abstract：:Coryphantha vivipara (Nutt.) Britton & Rose var. deserti (Engelm.) W.T. Marshall (Cactaceae) survived snow and tissue temperatures of-12°C in southern Nevada. However, the freezing point depression of the cell sap was only about 0.9°C. When the nocturnal air temperature in the laboratory was reduced from 10°C to-10°C ...

journal_title：Oecologia

authors： Nobel PS

更新日期：1981-03-01 00:00:00

abstract：:The degree of CAM-cycling was examined in plants from 23 populations representing five morphologically similar species of Talinum to determine how CAM-cycling correlates with site aridity and drought stress. In the field, CAM-cycling, as indicated by the amount of malic acid accumulated in plant tissues overnight, and...

journal_title：Oecologia

authors： Harris FS,Martin CE

更新日期：1991-05-01 00:00:00

abstract：:Indications of global climate change and associated unusual temperature fluctuations have become increasingly obvious over the past few decades. Consequently, the relevance of temperature increases for ecological communities and for whole ecosystems is one of the major challenges of current ecological research. One ap...

journal_title：Oecologia

authors： Norf H,Arndt H,Weitere M

更新日期：2007-03-01 00:00:00

abstract：:We investigated the carbon supply status in species-rich mediterranean plant communities growing in a bowl-shaped 1-ha "CO2 spring" area near Sienna, Italy. A geothermic "lime-kiln" has provided these communities, for as long as historical records are available, with pure CO2 that mixes with ambient air at canopy leve...

journal_title：Oecologia

authors： Körner C,Miglietta F

更新日期：1994-09-01 00:00:00

abstract：:Most hypotheses attempting to explain the evolution of reversed sexual dimorphism (RSD) assume that size-related differences in foraging ability are of prime importance, but the studies on sex-specific differences in foraging behaviour remain scarce. We compare the foraging behaviour of males and females in a seabird ...

journal_title：Oecologia

authors： Weimerskirch H,Le Corre M,Ropert-Coudert Y,Kato A,Marsac F

更新日期：2006-01-01 00:00:00

abstract：:1. It was clarified, by means of breeding experiments conducted within a temperature range of 14-34°C, if the growth of Pieris influenced by diurnally fluctuating temperatures depends on a simple additive influence of day-and-night-temperatures or if its growth is accelerated or retarded under these conditions by spec...

journal_title：Oecologia

authors： Neumann D,Heimbach F

更新日期：1975-06-01 00:00:00

abstract：:Principal and reduced major axes, and Bulmer's (1975) tests have been suggested as methods for detecting the presence of density dependence in a series of population censuses that are unsuitable for analysis by alternative means e.g. by k-factor analysis. These alternative methods are tested using census data, some of...

journal_title：Oecologia

authors： Gaston KJ,Lawton JH

更新日期：1987-12-01 00:00:00

abstract：:There is an increasing ecological interest in understanding the gradients in H(2)(18)O enrichment in leaf water (i.e. a Péclet effect), because an appreciation of the significance of the Péclet effect is important for improving our understanding of the mechanistic processes affecting the (18)O composition of leaf wate...

journal_title：Oecologia

authors： Barbour MM,Roden JS,Farquhar GD,Ehleringer JR

更新日期：2004-02-01 00:00:00

abstract：:Twenty nine harpacticoid copepods are new to Bermuda and significant changes are noted in the distribution records of several species. Six temporary groups are organized to separate the copepods on their apparent zoogeographical ranges: (1) cosmopolitan, (2) warm temperate-tropical, (3) North Atlantic, (4) North Atlan...

journal_title：Oecologia

authors： Coull BC,Herman SS

更新日期：1970-12-01 00:00:00

abstract：:For a symbiosis to be a mutualism, benefits received must exceed costs incurred for both partners. Partners can prevent costly overexploitation through behaviors that moderate interactions with the other symbiont. In a symbiosis between crayfish and branchiobdellidan annelids, the worms can increase crayfish survival ...

journal_title：Oecologia

authors： Farrell KJ,Creed RP,Brown BL

更新日期：2014-02-01 00:00:00

abstract：:We modeled the dynamics of a metapopulation of the land snail Arianta arbustorum in north-eastern Switzerland to investigate the effect of population subdivision on the persistence of a land snail metapopulation and to analyze the interaction between spatial factors, population subdivision, and catastrophes. We develo...

journal_title：Oecologia

authors： Akçakaya HR,Baur B

更新日期：1996-03-01 00:00:00

abstract：:In resource-limited savannas, the distribution and abundance of fine roots play an important role in acquiring essential resources and structuring vegetation patterns and dynamics. However, little is known regarding the three-dimensional distribution of fine roots in savanna ecosystems at the landscape scale. We quant...

journal_title：Oecologia

authors： Zhou Y,Boutton TW,Wu XB,Wright CL,Dion AL

更新日期：2018-04-01 00:00:00

abstract：:This study examines the idea that variation in forelimb length among male anurans influences reproductive success, and does so independently of body size. Analyses of covariance and multivariate analyses of morphological data for five species of explosives breeders are used to test the prediction that for species in w...

journal_title：Oecologia

authors： Lee JC

更新日期：1986-05-01 00:00:00

abstract：:Climate change causes species range expansions to higher latitudes and altitudes. It is expected that, due to differences in dispersal abilities between plants and soil biota, range-expanding plant species will become associated with a partly new belowground community in their expanded range. Theory on biological inva...

journal_title：Oecologia

authors： Wilschut RA,Magnée KJH,Geisen S,van der Putten WH,Kostenko O

更新日期：2020-10-01 00:00:00