The impacts of alien species on river bioassessment

Journal of Environmental Management, Journal Year: 2025, Volume and Issue: 374, P. 123874 - 123874

Published: Jan. 8, 2025

Language: Английский

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Evaluation of Temperature and Precipitation Simulations in CMIP6 Models Over the Tibetan Plateau

Earth and Space Science, Journal Year: 2021, Volume and Issue: 8(7)

Published: June 11, 2021

Abstract This study presents a comprehensive evaluation of the mean and extreme surface air temperature precipitation in Coupled Model Intercomparison Project Phase 6 (CMIP6) multimodel ensemble simulations over Tibetan Plateau. Simulations from 29 climate models are compared against gridded observations for period 1961–2012. Results show that reasonably reproduce overall spatial patterns 1961–2012 averages seasonal precipitation. Nevertheless, tend to underestimate overestimate accumulations. To be specific, estimates average temperatures plateau 0.5°C–2.6°C colder than observed, while corresponding accumulations 218% (spring: March–May), 76% (summer: June–August), 129% (autumn: September–November), 533% (winter: December–February) those observed. As observations, also well capture increasing trend all seasons but rates trends both variables seasons. Models’ ability simulate extremes is evaluated terms set chosen indices defined by Expert Team on Climate Change Detection Indices. On average, annual maximum daily temperature, minimum frost days, warm nights, consecutive dry days 5‐day simply intensity. Generally, able signs their magnitudes misrepresent patterns.

Language: Английский

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Economic costs of invasive alien species in the Mediterranean basin

NeoBiota, Journal Year: 2021, Volume and Issue: 67, P. 427 - 458

Published: July 29, 2021

Invasive alien species (IAS) negatively impact the environment and undermine human well-being, often resulting in considerable economic costs. The Mediterranean basin is a culturally, socially economically diverse region, harbouring many IAS that threaten societal integrity multiple ways. This paper first attempt to collectively quantify reported costs of basin, across range taxonomic, temporal spatial descriptors. We identify correlates from invasion damages management expenditures among key socioeconomic variables, determine network structures link countries invasive taxonomic groups. total amounted $27.3 billion, or $3.6 billion when only realised were considered, found have occurred over last three decades. Our understanding invasions was largely limited few, primarily western European terrestrial ecosystems, despite known presence numerous high-impact aquatic taxa. vast majority attributed losses ($25.2 billion) mostly driven by France, Spain lesser extent Italy Libya, with significantly fewer expenditure ($1.7 billion). Overall, increased through time, average annual between 1990 2017 estimated at $975.5 million. lack information large proportion countries, reflected connectivity analysis relationship highlights limits available data research effort needed improve collective different facets biological invasions. associated sheds light on knowledge gaps provides baseline for Mediterranean-centric approach towards building policies designing coordinated responses. In turn, these could help reach desirable outcomes efficient use resources invested management.

Language: Английский

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Lineage‐level distribution models lead to more realistic climate change predictions for a threatened crayfish

Diversity and Distributions, Journal Year: 2021, Volume and Issue: 27(4), P. 684 - 695

Published: Jan. 21, 2021

Abstract Aim As climate change presents a major threat to biodiversity in the next decades, it is critical assess its impact on species habitat suitability inform conservation. Species distribution models (SDMs) are widely used tool impacts species’ geographical distributions. name of these suggests, level most commonly taxonomic unit SDMs. However, recently has been demonstrated that SDMs considering resolution below (or above) can make more reliable predictions when different populations exhibit local adaptation. Here, we tested this idea using Japanese crayfish ( Cambaroides japonicus ), threatened encompassing two geographically structured and phylogenetically distinct genetic lineages. Location Northern Japan. Methods We first estimated niche differentiation between lineages C. n ‐dimensional hypervolumes then made constructed at phylogenetic levels: intraspecific lineage. Results Our results showed only intermediate overlap, demonstrating measurable differences The species‐level SDM future predicted much broader severe change. lineage‐level led reduced overall also suggested eastern lineage may be resilient than western one. Main conclusions occupy spaces. Compared with models, overestimate impacts. These not have important implications for designing conservation strategies species, but highlight need incorporating information into obtain realistic

Language: Английский

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Direct and indirect effects of climate change on distribution and community composition of macrophytes in lentic systems

Biological reviews/Biological reviews of the Cambridge Philosophical Society, Journal Year: 2022, Volume and Issue: 97(4), P. 1677 - 1690

Published: April 7, 2022

Macrophytes are an important part of freshwater ecosystems and they have direct indirect roles in keeping the water clear providing structure habitats for other aquatic organisms. Currently, climate change is posing a major threat to macrophyte communities by altering many drivers that determine abundance composition. We synthesise current literature examine effects (i.e. changes CO

Language: Английский

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A global synthesis of predation on bivalves

Biological reviews/Biological reviews of the Cambridge Philosophical Society, Journal Year: 2024, Volume and Issue: 99(3), P. 1015 - 1057

Published: Jan. 31, 2024

ABSTRACT Predation is a dominant structuring force in ecological communities. In aquatic environments, predation on bivalves has long been an important focal interaction for study because have central roles as ecosystem engineers, basal components of food webs, and commercial commodities. Studies are common, not only bivalves' roles, but also due to the relative ease studying predatory effects this taxonomic group. To understand patterns interactions their predators we synthesised data from 52 years peer‐reviewed studies bivalve predation. Using systematic search, compiled 1334 75 countries, comprising 61 families ( N = 2259), dominated by Mytilidae (29% bivalves), Veneridae (14%), Ostreidae (8%), Unionidae (7%), Dreissenidae Tellinidae (6% each). A total 2036 were studied, with crustaceans most studied predator group (34% predators), followed fishes (24%), molluscs (17%), echinoderms (10%) birds (6%). The majority (86%) conducted marine systems, part driven high value bivalves. freshwater ecosystems non‐native species, which probably reflects role biological invasions affecting biodiversity. fact, while 81% species native, 50% native system. terms approach, used trials, visual analysis digested contents exclusion experiments assess These reflect that many factors influence depending including i ) traits (e.g. behaviour, morphology, defence mechanisms), ii other biotic presence competitors, parasites or diseases), iii environmental context temperature, current velocity, beach exposure, habitat complexity). There lack research at population community levels (only 7% 0.5% respectively examined impacts these levels). At level, available demonstrate can decrease density through consumption reduction recruitment. trigger cascade trophic alter functions perform. Given conservation importance should be pursued global change, particularly climate acidification invasions.

Language: Английский

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Predicting the potential distribution of 12 threatened medicinal plants on the Qinghai‐Tibet Plateau, with a maximum entropy model

Ecology and Evolution, Journal Year: 2024, Volume and Issue: 14(2)

Published: Feb. 1, 2024

Climate change is a vital driver of biodiversity patterns and species distributions, understanding how organisms respond to climate will shed light on the conservation endangered species. In this study, MaxEnt model was used predict potential suitable area 12 threatened medicinal plants in QTP (Qinghai-Tibet Plateau) under current future (2050s, 2070s) three scenarios (RCP2.6, RCP4.5, RCP8.5). The results showed that climatically habitats for were primarily found eastern, southeast, southern, some parts central regions QTP. Moreover, 25% would have reduced habitat areas within next 30-50 years different global warming scenarios. Among these plants, RT (

Language: Английский

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Long-term trends in crayfish invasions across European rivers

The Science of The Total Environment, Journal Year: 2023, Volume and Issue: 867, P. 161537 - 161537

Published: Jan. 11, 2023

Language: Английский

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Global distribution and diversity of alien Ponto-Caspian amphipods

Biological Invasions, Journal Year: 2022, Volume and Issue: 25(1), P. 179 - 195

Published: Sept. 8, 2022

Language: Английский

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Differences in the functional responses of four invasive and one native crayfish species suggest invader‐specific ecological impacts

Freshwater Biology, Journal Year: 2021, Volume and Issue: 66(11), P. 2051 - 2063

Published: Aug. 25, 2021

Abstract Invasive non‐native species represent a leading threat to global freshwater biodiversity and crayfish frequently cause extensive ecological damage. However, the extent which their impact: (1) depends on invader identity (2) differs from natural state with native remains unclear. Comparison of functional responses invasive represents promising approach in this regard. Here, we explored whether four (calico Faxonius immunis , spiny‐cheek limosus signal Pacifastacus leniusculus marbled Procambarus virginalis ) European freshwaters most widespread (noble Astacus astacus overlap function potential effects key resources benthic food webs. First, impact gammarids zebra mussels was assessed by means comparative response analysis using ratio as metric; second, consumption macrophytes ( Chara sp.) detritus (leaf litter) quantified compared feeding experiments. Both invader‐ resource‐specific were observed. calico exhibited strongest per capita mussels, respectively, ratios being 2‐fold higher than those noble crayfish. Marbled showed an intermediate effect both prey species, whereas had lower impacts In experiment, consumed highest amount detritus, while did not differ among five species. Our work demonstrates as‐yet unrecognised differences North American invaders The lack congruence across observed suggests mostly species‐specific pattern stresses importance resource when considering An initial assessment invader‐specific positions impactful invaders.

Language: Английский

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