Oikos
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Impacts of urbanisation on biodiversity: the role of species mobility, degree of specialisation and spatial scale
Oikos - Tập 124 Số 12 - Trang 1571-1582 - 2015
Urbanisation has an important impact on biodiversity, mostly driving changes in
species assemblages, through the replacement of specialist with generalist
species, thus leading to biotic homogenisation. Mobility is also assumed to
greatly affect species’ ability to cope in urban environments. Moreover,
specialisation, mobility and their interaction are expected to greatly influence
ecological proc...
Multi‐scale habitat modification by coexisting ecosystem engineers drives spatial separation of macrobenthic functional groups
Oikos - Tập 124 Số 11 - Trang 1502-1510 - 2015
By changing habitat conditions, ecosystem engineers increase niche diversity and
have profound effects on the distribution and abundances of other organisms.
Although many ecosystems contain several engineering species, it is still
unclear how the coexistence of multiple engineers affects the physical habitat
and the structure of the community on a landscape scale. Here, we investigated
through a ...
Intraspecific temperature dependence of the scaling of metabolic rate with body mass in fishes and its ecological implications
Oikos - Tập 121 Số 2 - Trang 245-251 - 2012
Metabolism constitutes a fundamental property of all organisms. Metabolic rate
is commonly described to scale as a power function of body size and
exponentially with temperature, thereby treating the effects of body size and
temperature independently. Mounting evidence shows that the scaling of metabolic
rate with body mass itself depends on temperature. Across‐species analyses in
fishes suggest t...
Interactive effects of landscape and weather on dispersal
Oikos - Tập 122 Số 11 - Trang 1576-1585 - 2013
Over the last decades, many species have been forced to track their shifting
climate envelopes, and at the same time man‐induced landscape fragmentation has
led to the global decrease of natural habitat availability and connectivity. The
interaction between these two co‐occurring global environmental changes might
have very strong effects on biodiversity that are still understudied.
Species‐specif...
The importance of spatial scale for trait-abundance relations
Oikos - Tập 119 Số 9 - Trang 1504-1514 - 2010
Reconstructing the evolution of birds on islands: 100 years of research
Oikos - Tập 92 Số 3 - Trang 385-403 - 2001
Birds, especially those on islands, have contributed disproportionately to the
development of theories that explain the origin and maintenance of organic
diversity. This essay surveys the major ideas of how bird species are thought to
evolve, speciate and multiply in adaptive radiations on islands. I begin with
the nineteenth century view that speciation is the result of natural selection
slowly c...
The more polluted the environment, the more important biodiversity is for food web stability
Oikos - Tập 122 Số 8 - Trang 1247-1253 - 2013
Human activities have led to massive influxes of pollutants, degrading the
habitat of species and simplifying their biodiversity. However, the interaction
between food web complexity, pollution and stability is still poorly understood.
In this study we evaluate the effect exerted by accumulable pollutants on the
relationship between complexity and stability of food webs. We built model food
webs w...
Effects of Plant Litter Species Composition and Diversity on the Boreal Forest Plant-Soil System
Oikos - Tập 86 Số 1 - Trang 16 - 1999
Mollusks as ecosystem engineers: the role of shell production in aquatic habitats
Oikos - Tập 101 Số 1 - Trang 79-90 - 2003
Mollusk shells are abundant, persistent, ubiquitous physical structures in
aquatic habitats. Using an ecosystem engineering perspective, we identify
general roles of mollusk shell production in aquatic ecosystems. Shells are
substrata for attachment of epibionts, provide refuges from predation, physical
or physiological stress, and control transport of solutes and particles in the
benthic environm...
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