Land-use impacts on plant functional diversity throughout Europe

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 22, 2024

Abstract Aim Global biodiversity loss resulting from anthropogenic land-use activities is a pressing concern, requiring precise assessments of impacts at large spatial extents. Existing models mainly focus on species richness and abundance, lacking insights into ecological mechanisms species’ roles in ecosystem functioning. To bridge this gap, we conducted an extensive analysis the impact human land use vascular plant functional diversity, across diverse classes bioregions Europe, comparing it to traditional metrics. Location : Europe Time period 1992-2019 Major taxa studied Vascular plants Methods Integrating databases vegetation plots with data cover, paired areas actively used modified by humans natural habitats under similar environmental conditions. Using occurrences traits, each plot computed three complementary diversity metrics (functional richness, evenness, divergence), abundance. We assessed plots. Results Our findings revealed that, compared habitats, exhibits lower divergence but higher evenness most bioregions. The response was more marked than other two especially pronounced croplands urban northern Functional exhibited pattern that did not fully overlap trend providing useful information. Main conclusions provide large-scale assessment Europe. indicate that: (i) disturbance significantly alters habitats; (ii) alteration goes direction homogenization; complement offering deeper use.

Language: Английский

---

Understanding trophic interactions in a warming world by bridging foraging ecology and biomechanics with network science

Integrative and Comparative Biology, Journal Year: 2024, Volume and Issue: unknown

Published: June 13, 2024

Synopsis Climate change will disrupt biological processes at every scale. Ecosystem functions and services vital to ecological resilience are set shift, with consequences for how we manage land, natural resources, food systems. Increasing temperatures cause morphological shifts, concomitant implications biomechanical performance metrics crucial trophic interactions. Biomechanical performance, such as maximum bite force or running speed, determines the breadth of resources accessible consumers, outcome interspecific interactions, thus structure networks. change-induced impacts ecosystem therefore on horizon, mediated by disruptions and, consequently, interactions across whole ecosystems. Here, argue that there is an urgent need investigate complex between climate change, traits, foraging ecology help predict changes networks functioning. We discuss these seemingly disparate disciplines can be connected through network science. Using ant-plant example, illustrate different data types could integrated interaction warming, force, what integration achieve. It our hope this integrative framework identify a viable means elucidate previously intractable effective predictive potential guide management mitigation.

Language: Английский

---

The persistence of bipartite ecological communities with Lotka–Volterra dynamics

Journal of Mathematical Biology, Journal Year: 2024, Volume and Issue: 89(2)

Published: July 2, 2024

Abstract The assembly and persistence of ecological communities can be understood as the result interaction migration species. Here we study a single community subject to from species pool in which inter-specific interactions are organised according bipartite network. Considering dynamics abundances governed by generalised Lotka–Volterra equations, extend work on unipartite networks derive exact results for phase diagram this model. Focusing antagonistic interactions, describe factors that influence two guilds, locate transitions multiple-attractor unbounded phases, well identifying region parameter space consumers essentially absent local community.

Language: Английский

---

Spatially explicit predictions of food web structure from regional-level data

Philosophical Transactions of the Royal Society B Biological Sciences, Journal Year: 2024, Volume and Issue: 379(1909)

Published: July 22, 2024

Knowledge about how ecological networks vary across global scales is currently limited given the complexity of acquiring repeated spatial data for species interactions. Yet, recent developments in metawebs highlight efficient ways to first document possible interactions within regional pools. Downscaling towards local network predictions a promising approach using current investigate variation space. However, issues remain represent variability and uncertainty interactions, especially large-scale food webs. Here, we present probabilistic framework downscale metaweb based on Canadian mammal occurrences from databases. We investigated our can be used communities between ecoregions Canada. Species richness followed similar latitudinal gradient but simultaneously identified contrasting diversity hotspots. Network motifs revealed additional areas structure compared with number links. Our method offers potential bring down more actionable scale, increases that projected This article part theme issue 'Connected interactions: enriching web research by social interactions'.

Language: Английский

---

Effects of ecological control line on habitat connectivity: A case study of Shenzhen, China

Ecological Indicators, Journal Year: 2024, Volume and Issue: 167, P. 112583 - 112583

Published: Sept. 16, 2024

Language: Английский

---