Peter Haase
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Almost Seven Decades of Coastal Bird Community Recovery Across Three European Seas Open
Marine ecosystems have been historically impacted by human activities, leading to significant declines in biodiversity. Despite conservation efforts and the establishment of protected areas over recent decades, many marine species remain t…
Are Findings of Key Insect Metrics Generalizable Across Different Taxa in Malaise Trap Samples? Open
Recent reports of insect declines and drivers thereof are often based on total biomass from Malaise traps. However, it remains unclear whether these changes reflect shifts in other community metrics (e.g., total abundance) and important ta…
View article: Achieving harmonized and integrated long-term environmental observation of essential ecosystem variables - eLTER's Framework of Standard Observations
Achieving harmonized and integrated long-term environmental observation of essential ecosystem variables - eLTER's Framework of Standard Observations Open
The development of harmonized, standardized, and integrated environmental observation systems is a key challenge in Earth system science and essential for advancing interdisciplinary research to support global sustainability. The Integrate…
River Invertebrates Show That European Freshwater Habitats Have Stopped Improving Open
Freshwater habitats have been harmed by pollution. People tried to fix this problem by reducing pollution from cities and farms, but we do not know if these efforts worked. To find out if they did, a group of scientists caught small animal…
View article: Advancing Scientific Research through Well-Defined and Standardized Data Products in eLTER
Advancing Scientific Research through Well-Defined and Standardized Data Products in eLTER Open
The scientific community increasingly relies on high-quality data products to drive research, enable cross-disciplinary studies and inform decision-making. The eLTER RI, as a European scale research infrastructure, aims to monitor the key …
View article: The holistic ecosystem research approach of eLTER and practical implications for building a Research Infrastructure
The holistic ecosystem research approach of eLTER and practical implications for building a Research Infrastructure Open
Driven by the increasing awareness that innovative approaches to solving the problems at hand in our complex human-environment interactions require closer collaboration among scientific disciplines and communities, inter- and transdiscipli…
Nature restoration at eLTER sites to strengthen policy support Open
Achieving global and EU restoration targets (e.g. UN Decade on Ecosystem Restoration 2021-2030, EU Green Deal and EU Nature Restoration Regulation, NRR) poses challenges such as the need for long-term understanding of ecosystem functioning…
Drivers of recovery and degradation of riverine benthic invertebrate communities: a Germany-wide analysis Open
Background The global freshwater biodiversity crisis has led to widespread implementation of measures to counteract environmental degradation and biodiversity loss. While these efforts aim to foster recovery, intensifying stressors continu…
View article: A Holistic Catchment‐Scale Framework to Guide Flood and Drought Mitigation Towards Improved Biodiversity Conservation and Human Wellbeing
A Holistic Catchment‐Scale Framework to Guide Flood and Drought Mitigation Towards Improved Biodiversity Conservation and Human Wellbeing Open
As climatic extremity intensifies, a fundamental rethink is needed to promote the sustainable use of freshwater resources. Both floods and droughts, including water scarcity, are exacerbating declines in river biodiversity and ecosystem se…
Recovery and Degradation Drive Changes in the Dispersal Capacity of Stream Macroinvertebrate Communities Open
Freshwater ecosystems face significant threats, including pollution, habitat loss, invasive species, and climate change. To address these challenges, management strategies and restoration efforts have been broadly implemented. Across Europ…
Effects of species traits on the catchability of butterflies with different types of Malaise traps and implications for total catch biomass Open
Increasing evidence for insect biodiversity decline requires an identification of the causes but also an improved understanding of the limitations of the various underlying sampling methods. Trap comparisons foster comparability of larger-…
View article: Effects of land cover and protected areas on flying insect diversity
Effects of land cover and protected areas on flying insect diversity Open
Widespread insect losses are a critical global problem. Mitigating this problem requires identifying the principal drivers across different taxa and determining which insects are covered by protected areas. However, doing so is hindered by…
View article: Towards a modern and efficient European biodiversity observation network fit for multiple policies
Towards a modern and efficient European biodiversity observation network fit for multiple policies Open
To address the biodiversity crisis, global and regional policy frameworks like the Kunming-Montreal Global Biodiversity Framework and the European Green Deal demand to monitor biodiversity. Despite these efforts, existing approaches for mo…
Ecological but Not Biological Traits of European Riverine Invertebrates Respond Consistently to Anthropogenic Impacts Open
Aim To determine which riverine invertebrate traits respond consistently to anthropogenic impacts across multiple biogeographic regions. Location Europe. Time Period 1981–2021. Major Taxa Studied Riverine invertebrates. Methods We compiled…
View article: World of Crayfish™: a web platform towards real-time global mapping of freshwater crayfish and their pathogens
World of Crayfish™: a web platform towards real-time global mapping of freshwater crayfish and their pathogens Open
Freshwater crayfish are amongst the largest macroinvertebrates and play a keystone role in the ecosystems they occupy. Understanding the global distribution of these animals is often hindered due to a paucity of distributional data. Additi…
View article: Upscaling biodiversity monitoring: Metabarcoding estimates 31,846 insect species from Malaise traps across Germany
Upscaling biodiversity monitoring: Metabarcoding estimates 31,846 insect species from Malaise traps across Germany Open
Mitigating ongoing losses of insects and their key functions (e.g. pollination) requires tracking large‐scale and long‐term community changes. However, doing so has been hindered by the high diversity of insect species that requires prohib…
Spatial and temporal effects of heat waves on the diversity of European stream invertebrate communities Open
The frequency and magnitude of extreme events, such as heat waves, are predicted to increase with climate change. However, assessments of the response of biological communities to heat waves are often inconclusive. We aimed to assess the r…
View article: Dispersal, glacial refugia and temperature shape biogeographical patterns in European freshwater biodiversity
Dispersal, glacial refugia and temperature shape biogeographical patterns in European freshwater biodiversity Open
Aim Temperature is regarded as an important driver of broad‐scale biodiversity patterns. However, less is known of the role of dispersal in shaping broad‐scale species and trait distributions, particularly given that species had to dispers…
Differential associations of five riverine organism groups with multiple stressors Open
The decline of river and stream biodiversity results from multiple simultaneous occuring stressors, yet few studies explore responses explore responses across various taxonomic groups at the same locations. In this study, we address this s…
Stream macroinvertebrate communities in restored and impacted catchments respond differently to climate, land-use, and runoff over a decade Open
Identifying which environmental drivers underlie degradation and improvements of ecological communities is a fundamental goal of ecology. Achieving this goal is a challenge due to diverse trends in both environmental conditions and ecologi…
How tolerances, competition and dispersal shape benthic invertebrate colonisation in restored urban streams Open
Biotic communities often respond poorly to river restoration activities and the drivers of community recovery after restoration are not fully understood. According to the Asymmetric Response Concept (ARC), dispersal capacity, species toler…
View article: The relationships between biotic uniqueness and abiotic uniqueness are context dependent across drainage basins worldwide
The relationships between biotic uniqueness and abiotic uniqueness are context dependent across drainage basins worldwide Open
Context Global change, including land-use change and habitat degradation, has led to a decline in biodiversity, more so in freshwater than in terrestrial ecosystems. However, the research on freshwaters lags behind terrestrial and marine s…
View article: Environmental DNA time series analysis of a temperate stream reveals distinct seasonal community and functional shifts
Environmental DNA time series analysis of a temperate stream reveals distinct seasonal community and functional shifts Open
Environmental DNA (eDNA) extracted from water is routinely used in river biodiversity research, and via metabarcoding eDNA can provide comprehensive taxa lists with little effort and cost. However, eDNA-based species detection in streams a…