24 Result(s)
within
David G. Angeler
Ecology
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Article
Open AccessPartitioning spatial, environmental, and community drivers of ecosystem functioning
Community composition, environmental variation, and spatial structuring can influence ecosystem functioning, and ecosystem service delivery. While the role of space in regulating ecosystem functioning is well ...
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Article
Elevated Atmospheric CO2 Increases Root Exudation of Carbon in Wetlands: Results from the First Free-Air CO2 Enrichment Facility (FACE) in a Marshland
Experiments employing free-air CO2 enrichment (FACE) facilities have indicated that elevated atmospheric carbon dioxide (eCO2) stimulates growth in diverse terrestrial ecosystems. Studies of the effects of eCO2 o...
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Article
Ecological resilience in lakes and the conjunction fallacy
There is a pressing need to apply stability and resilience theory to environmental management to restore degraded ecosystems effectively and to mitigate the effects of impending environmental change. Lakes rep...
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Chapter
Adaptive Management of Rangeland Systems
Adaptive management is an approach to natural resource management that uses structured learning to reduce uncertainties for the improvement of management over time. The origins of adaptive management are linke...
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Article
Adaptive invasive species distribution models: a framework for modeling incipient invasions
The utilization of species distribution model(s) (SDM) for approximating, explaining, and predicting changes in species’ geographic locations is increasingly promoted for proactive ecological management. Altho...
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Article
Spatial Patterns and Functional Redundancies in a Changing Boreal Lake Landscape
Global transformations extend beyond local habitats; therefore, larger-scale approaches are needed to assess community-level responses and resilience to unfolding environmental changes. Using long-term data (1...
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Article
Linking degradation status with ecosystem vulnerability to environmental change
Environmental change can cause regime shifts in ecosystems, potentially threatening ecosystem services. It is unclear if the degradation status of ecosystems correlates with their vulnerability to environmenta...
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Article
Open AccessAssessing and managing freshwater ecosystems vulnerable to environmental change
Freshwater ecosystems are important for global biodiversity and provide essential ecosystem services. There is consensus in the scientific literature that freshwater ecosystems are vulnerable to the impacts of...
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Article
Temporal dynamics of bird community composition: an analysis of baseline conditions from long-term data
Numerous anthropogenic activities threaten the biodiversity found on earth. Because all ecological communities constantly experience temporal turnover due to natural processes, it is important to distinguish b...
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Article
Panarchy: Theory and Application
The concept of panarchy provides a framework that characterizes complex systems of people and nature as dynamically organized and structured within and across scales of space and time. It has been more than a ...
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Article
Cross-taxon responses to elevated nutrients in European streams and lakes
Few studies have compared the response of different taxonomic groups to environmental stress across aquatic ecosystems. We regressed assemblage structure of fish, invertebrates, macrophytes, phytoplankton and...
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Article
Tracing alpha, beta, and gamma diversity responses to environmental change in boreal lakes
Boreal lakes undergo broad-scale environmental change over time, but biodiversity responses to these changes, particularly at macroecological scales, are not well known. We studied long-term trends (1992–2009)...
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Article
Identifying resilience mechanisms to recurrent ecosystem perturbations
The complex nature of ecological systems limits the unambiguous determination of mechanisms that drive resilience to natural disturbance or anthropogenic stress. Using eight-year time series data from boreal l...
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Article
The use of urban clay-pit ponds for human recreation: assessment of impacts on water quality and phytoplankton assemblages
Artificially created ponds in urban areas may be important biodiversity refugia and may provide recreational services for populations. In order to obtain information on the seasonal development of the environm...
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Article
Phytoplankton community similarity in a semiarid floodplain under contrasting hydrological connectivity regimes
In this study we compare phytoplankton community similarity between sites in a semiarid floodplain wetland over a 6-year period with variable hydroperiod and connectivity regimes. Phytoplankton communities sho...
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Article
Local and landscape effects on temporary pond zooplankton egg banks: conservation implications
Understanding landscape correlates of local habitat integrity and community structure and the identification of spatial scales at which these associations operate are relevant for management and conservation o...
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Article
Does seston size structure reflect fish-mediated effects on water quality in a degraded semiarid wetland?
This study evaluates whether the size structure of seston (the sum of living and nonliving particles in the water column) reflects the effects of fish on wetland water quality. Using enclosures, we measured wa...
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Article
On the Importance of Water Depth, Macrophytes and Fish in Wetland Picocyanobacteria Regulation
Current paradigms contend abiotic regulation of wetland biota most important, although recent studies show that biotic configuration can play an important role in wetland functioning within the constraints set...
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Article
No diapause prolongation response of Daphnia in the presence of planktivorous mosquitofish (Gambusia holbrooki)
Recent research suggests that planktonic organisms in resting stages can perceive predators chemically and delay hatching to evade predation. Using a co-occurring predator–prey pair (Gambusia holbrooki Girard and...
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Article
Assessment of exotic fish impacts on water quality and zooplankton in a degraded semi-arid floodplain wetland
We carried out enclosure experiments to assess the potential deleterious effects of the alien species common carp (Cyprinus carpio L.), mosquitofish (Gambusia holbrookii Gir.), and pumpkinseed sunfish (Lepomis g...
