Publications by authors named "Devyn Orr"
Article Synopsis
- * Researchers used two methods, diet DNA analysis and stable isotope analysis, to examine trophic responses in top and intermediate predators across environments with varying productivity levels.
- * Findings reveal that while top predators' trophic position increases with productivity, their diet composition remains stable; in contrast, intermediate predators show significant dietary shifts towards more predatory prey in high-productivity areas, underscoring the importance of predator identity in ecological responses.
Article Synopsis
- Predator-prey interactions are crucial for maintaining biodiversity but are challenging to observe in terrestrial arthropods using traditional methods.
- The study analyzed diet DNA from 173 invertebrate predators and their prey, revealing that prey size generally correlates with predator size, though some variations suggest other feeding behaviors like scavenging.
- Additionally, the research found that predator identity plays a more significant role than hunting strategies in determining predator-prey size ratios, highlighting the importance of body size and species identity in invertebrate food webs and their response to environmental changes.
A large part of ecosystem function in woodland systems depends on soil fungal communities. However, global climate change has the potential to fundamentally alter these communities as fungal species are filtered with changing environmental conditions. In this study, we examined the potential effects of climate on host-associated (i.
View Article and Find Full Text PDFRecent increases in human disturbance pose significant threats to migratory species using collective movement strategies. Key threats to migrants may differ depending on behavioural traits (e.g.
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