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climate; climate change; ecoregions; land classification; meteorological data; Andes region; Argentina
Abstract:
... Modelling the potential impacts of future climate on ecosystems provides important information for environmental planning and management. The Holdridge life zones system is a land classification based on simple bioclimatic variables that can be used for evaluating the potential effect of future climates on ecosystems. However, information on future bioclimatic changes in ecoregions of southern Sou ...
... Wetlands provide many important ecosystem functions and services worldwide and are hotspots of biological diversity. However, depressional wetlands are particularly vulnerable to effects of climate change due to the significant role that precipitation and surface runoff play in shaping their hydrology. In the Southern Great Plains of North America, climate projections predict more extreme storm ev ...
climate change; decline; earthworms; ecoregions; ecosystems; functional diversity; microclimate; models; refuge habitats; soil; species richness; France
Abstract:
... AIM: Species shift their ranges as a consequence of climate change, hence modifying the structure of local assemblages. This may have important consequences for ecosystem functioning in the case of ecosystem engineers such as earthworms, especially when community restructuring leads to an alteration of their functional diversity. Here, we aimed to model the potential modification of the functional ...
Holocene epoch; Picea engelmannii; Pinus albicaulis; climate change; climatic factors; dendrochronology; ecoregions; ecosystems; frost; frost injury; growth rings; mortality; paleoclimatology; summer; temperature; temporal variation; tree growth; treeline; trees; Western United States
Abstract:
... Paleoclimate reconstructions for the western US show spatial variability in the timing, duration, and magnitude of climate changes within the Medieval Climate Anomaly (MCA, ca. 900–1350 CE) and Little Ice Age (LIA, ca. 1350–1850 CE), indicating that additional data are needed to more completely characterize late-Holocene climate change in the region. Here, we use dendrochronology to investigate ho ...
... AIM: Araucaria moist forests are particularly vulnerable to climate change due to their strict climatic requirements and patchy distribution. Therefore, identifying areas where these forests are expected to lose or retain climatically suitable space (i.e., climate change refugia) is urgently required. Here, we modeled the current and future climatic suitability for Araucaria moist forests aiming: ...
Bellamya; Cichlidae; Pleistocene epoch; adaptive radiation; climate change; community structure; demography; ecoregions; ecosystems; fauna; genetic variation; landscape genetics; phylogeography; population genetics; space and time; Lake Victoria
Abstract:
... Understanding the interplay between ecological and population genetic processes through space and time is a central goal of landscape genetics. However, most studies that place diversification dynamics in an ecological context have focused on vertebrates, leaving a significant gap in our understanding of the effects of ecosystem change on community composition and demography of invertebrates. In t ...
Dytiscidae; acclimation; animals; biochemistry; climate; climate change; drought; ecoregions; ecosystems; geographical variation; heat tolerance; indicator species; physiology; plasticity; South Africa
Abstract:
... Understanding sources of variation in animal thermal limits is critical to forecasting ecological responses to climate change. Here, we estimated upper and lower thermal limits, and their capacity to respond to thermal acclimation, in several species and populations of diving beetles (Dytiscidae) from diverse geographic regions representative of variable climate within South Africa. We also consid ...
case studies; climate; climate change; ecoregions; ecosystems; land policy; policy analysis; risk; Nepal
Abstract:
... The ecosystem based adaption (EbA) approach mobilizes ecosystem products and services to reduce people’s vulnerability and improve adaptation to climate change. The approach is being tested and promoted globally including Nepal. However, there are limited studies on why EbA faces challenges of mainstreaming and wider upscaling in developing countries' policies and practices. Based on an empirical ...
Artemisia; Landsat; basins; climate change; ecoregions; ecosystems; shrublands; temperature; time series analysis; weather; Wyoming
Abstract:
... The importance of monitoring shrublands to detect and understand changes through time is increasingly recognized as critical to management. This research focuses on ecological change observed over 10 yr of field observation at 126 plots and over 35 yr of the Landsat archive in a shrubland ecosystem. Field data consisting of the fractional cover of shrubs, sagebrush, herbs, litter, and bare ground ...
... The 1972 World Heritage Convention (WHC) and 1994 Global Strategy aim to preserve the outstanding universal value of internationally important cultural and natural sites within a “representative, balanced and credible” network of highly-protected areas. Increasing human pressures and shortfalls in representation have been documented across the World Heritage network, particularly in terrestrial an ...
Syzygium cumini; Tectona grandis; aboveground biomass; allometry; biodiversity; biomass production; botanical gardens; carbon; carbon sequestration; carbon sinks; carboxylation; climate; climate change; decision making; ecoregions; ecosystems; growth performance; hydrologic cycle; indigenous species; introduced species; landscapes; leaf area index; nondestructive methods; photosynthesis; research institutions; stomatal conductance; tree and stand measurements; tree height; trees; tropical plants; urban forestry; water use efficiency; India
Abstract:
... Urban, peri urban and patch forests play a critical role in climate change mitigation through increased carbon storage and for that, it is imperative to assess the species response in an eco-region to recommend a potentially higher carbon sequestering species. In urban settings, green spaces, in particular, trees play a vital role in preserving biodiversity, reducing the impact of urban heat islan ...
... Habitat fragmentation and its effects on the persistence of populations and species are of major concern to conservation biology. Penstemon coriaceus is a rare and endemic species from the Mexican Central Plateau and adjacent foothills of the Sierra Madre Occidental and Sierra Madre Oriental, which belongs to the Chihuahuan Desert ecoregion. This is the first study that integrates population genet ...
climate change; coasts; cotton; cropland; crops; deforestation; demography; deserts; drugs; dry forests; ecoregions; ecosystems; exports; grasslands; issues and policy; land cover; land use change; moderate resolution imaging spectroradiometer; pastures; pecans; rural urban migration; tropical rain forests; violence; Latin America; Mexico
Abstract:
... Conversion of land cover is one of the main causes of global environmental change and identifying the regions where sustained trends of land change are occurring provides useful information for land and resources management. For all ecoregions in Mexico, we analyzed land use changes over 14 years (2001–2014) using MODIS images (250m) and identified regions that had significant gains or loss of woo ...
climate change; cold; continental shelf; dominant species; ecoregions; environmental factors; fish; fish communities; geographical distribution; habitats; macroinvertebrates; marine ecosystems; models; predators; probability; species diversity; taxonomy; trophic levels; United States
Abstract:
... There is long-standing ecological and socioeconomic interest in what controls the diversity and productivity of ecosystems. That focus has intensified with shifting environmental conditions associated with accelerating climate change. The U.S. Northeast Shelf (NES) is a well-studied continental shelf marine ecosystem that is among the more rapidly warming marine systems worldwide. Furthermore, man ...
Sarah M. Laske; Per‐Arne Amundsen; Kirsten S. Christoffersen; Jaakko Erkinaro; Guðni Guðbergsson; Brian Hayden; Jani Heino; Kerstin Holmgren; Kimmo K. Kahilainen; Jennifer Lento; Panu Orell; Johan Östergren; Michael Power; Ruslan Rafikov; Atso Romakkaniemi; Martin‐A. Svenning; Heidi Swanson; Matthew Whitman; Christian E. Zimmerman
Salvelinus alpinus; anthropogenic activities; climate change; databases; ecoregions; freshwater; freshwater fish; geographical distribution; land use; latitude; limnology; longitude; space and time; species richness; topography; Arctic region
Abstract:
... Climate change, biological invasions, and anthropogenic disturbance pose a threat to the biodiversity and function of Arctic freshwater ecosystems. Understanding potential changes in fish species distribution and richness is necessary, given the great importance of fish to the function of freshwater ecosystems and as a resource to humans. However, information gaps limit large‐scale studies and our ...
... The mountain ecosystems are fragile because of topography and extreme climatic conditions. The Hindu-Kush Himalayan (HKH) region is a biodiversity-rich ecosystem and highly vulnerable to climate change and anthropogenic activities among the mountains. In HKH, the climate change impacts on ecologically specialist species are already evident, but generalist species are not much studied. One such gen ...
amphibians; climate; climate change; ecoregions; mammals; niches; species richness
Abstract:
... AIM: The Appalachian forests ecoregion in eastern North America supports a diverse and highly endemic temperate biota, which is potentially threatened by rapid climate change. We investigated possible outlooks for biodiversity in this biologically important ecoregion under future climate change. LOCATION: Appalachian forests ecoregion, USA. METHODS: We estimated distributional shifts for 258 fores ...
climate change; climatic factors; coasts; cooling; ecoregions; land cover; land use change; meteorological data; surface temperature; terrestrial ecosystems; vapor pressure; Great Lakes; Great Plains region; Intermountain West region; Midwestern United States
Abstract:
... Transitions to terrestrial ecosystems attributable to land cover and land use change (LCLUC) and climate change can affect the climate at local to regional scales. However, conclusions from most previous studies do not provide information about local climate effects, and little research has directly quantified how LCLUC intensity within different ecoregions relates to climate variation. In this st ...
agricultural land; agroforestry; carbon footprint; climate change; crops; ecoregions; ecosystems; food security; greenhouse gases; intensive farming; irrigation; land use; mineral fertilizers; planting; trees
Abstract:
... Untenable expansion of cultivated lands and intensive agriculture accentuating the release of greenhouse gases (GHGs) into the atmosphere are warranting need for effective strategies to reduce the emission of green house gases associated with land use. Tree-based land use system has been emphasized as an effective strategy across ecological regions and farming situations as the most effective farm ...
Oregon; altitude; applied ecology; climate; climate change; conifers; dry forests; ecoregions; fire regime; fire suppression; fire weather; forest growth; forest management; industrial forestry; issues and policy; landscapes; models; privatization; shrublands; stakeholders; wildfires; California
Abstract:
... Climate change is altering disturbance regimes and recovery rates of forests globally. The future of these forests will depend on how climate change interacts with management activities. Forest managers are in critical need of strategies to manage the effects of climate change. We co‐designed forest management scenarios with forest managers and stakeholders in the Klamath ecoregion of Oregon and C ...
climate; climate change; community structure; demersal fish; ecoregions; ecosystems; fish communities; food webs; sea ice; thermal stability; Arctic region; Greenland
Abstract:
... The assessment of climate impact on marine communities dwelling deeper than the well‐studied shelf seas has been hampered by the lack of long‐term data. For a long time, the prevailing expectation has been that thermal stability in deep ocean layers will delay ecosystem responses to warming. Few observational studies have challenged this view and indicated that deep organisms can respond exception ...
Lithops; altitude; computer software; ecoregions; extinction; paleoclimatology; prediction; soil; Botswana; Namibia; South Africa
Abstract:
... The genus Lithops (Aizoaceae; Ruschioideae) is widely distributed across South Africa, Namibia and into Botswana. Using the environmental niche modelling software Maxent, 416 Lithops localities were examined against environmental variables of climate, dominant soil, geology, ecoregion and altitude. Predictions obtained suggested that a combination of suitable soil or geology and climatic condition ...
Ann Kristin Schartau; Heather L. Mariash; Kirsten S. Christoffersen; Daniel Bogan; Olga P. Dubovskaya; Elena B. Fefilova; Brian Hayden; Haraldur R. Ingvason; Elena A. Ivanova; Olga N. Kononova; Elena S. Kravchuk; Jennifer Lento; Markus Majaneva; Anna A. Novichkova; Milla Rautio; Kathleen M. R__hland; Rebecca Shaftel; John P. Smol; Tobias Vrede; Kimmo K. Kahilainen
... Arctic freshwaters are facing multiple environmental pressures, including rapid climate change and increasing land___use activities. Freshwater plankton assemblages are expected to reflect the effects of these stressors through shifts in species distributions and changes to biodiversity. These changes may occur rapidly due to the short generation times and high dispersal capabilities of both phyto ...
agricultural productivity; biodiversity; climate change; ecoregions; geographical distribution; greenhouse gas emissions; habitats; invasive species; spatial data; Australia; Brazil; Eastern United States
Abstract:
... Invasive weed species (IWS) threaten ecosystems, the distribution of specific plant species, as well as agricultural productivity. Predicting the impact of climate change on the current and future distributions of these unwanted species forms an important category of ecological research. Our study investigated 32 globally important IWS to assess whether climate alteration may lead to spatial chang ...
climate; climate change; coasts; decision making; ecoregions; ecosystems; habitat connectivity; habitat fragmentation; land use change; landscapes; models; planning; prioritization; uncertainty; California
Abstract:
... Preserving landscape connectivity is one of the most frequently recommended strategies to address the synergistic threats of climate change, habitat fragmentation, and intensifying disturbances. Although assessments to develop plans for linked and connected landscapes in response to climate and land-use change have been increasingly employed in the last decade, efforts to operationalize and implem ...
... AIM: Deterministic and neutral processes shape the biogeography of fungi. Arbuscular mycorrhizal fungi (AMF), an important group of plant root symbionts, remains poorly studied in the Neotropics. Here, we provided the first molecular survey of AMF diversity and tested whether the environment or space shapes AMF biogeography along a 12° latitudinal transect in the Brazilian Caatinga, a unique tropi ...
Cecilia Cerrilla; Johannes Afrika; Dean Impson; Martine S. Jordaan; Nathan Kotze; Bruce R. Paxton; Cecile Reed; Mandy Schumann; Johannes A. van der Walt; Jeremy M. Shelton
Labeo; Lepomis macrochirus; Micropterus dolomieu; climate change; data collection; drought; ecoregions; freshwater fish; habitats; indigenous species; introduced species; migratory behavior; population dynamics; rain; rivers; water management; water quality; South Africa
Abstract:
... Freshwater fish are in decline worldwide as a result of introduced non‐native species, impoundment, water quality changes, over‐abstraction, and climate change. The Clanwilliam sandfish Labeo seeberi is an endangered migratory cyprinid endemic to a single river system in South Africa's Cape Fold Ecoregion. It has declined across its range and persists as fragmented populations in the Doring River ...
... Here, we present results from a study conducted in two major shrimp fishing grounds in the Northeastern Brazil Marine Ecoregion (NBME) that determined reproductive dynamics of the penaeid shrimps Xiphopenaeus kroyeri and Penaeus schmitti. We aimed to verify if the current closed season is appropriate and untangle the environmental drivers that control their dynamics. The periods of recruitment and ...
burning; charcoal; climate change; ecoregions; ecosystems; fire frequency; fire regime; forests; grasslands; lakes; landscapes; sediments; spatial data; surface area; tundra; wildfires; Alaska; Arctic region
Abstract:
... Extensive burning of Arctic tundra landscapes in recent years has contradicted the conventional view that fire is a rare, spatially limited disturbance in tundra. These fires have been identified as harbingers of climate change, despite our limited understanding of Arctic fire frequency and climatic controls. Much of this understanding relies upon sedimentary charcoal-based fire reconstructions, y ...
Everglades National Park; amphibians; climate change; community structure; data collection; ecoregions; ecosystems; endangered species; habitats; herpetofauna; hydrology; introduced species; landscapes; reptiles; surveys; wilderness; Florida
Abstract:
... The Greater Everglades Ecosystem is a globally important ecoregion, home to 68 threatened or endangered species and the largest designated wilderness area in the Eastern United States. Anthropogenic manipulations of the natural hydrology have led to widespread degradation of this ecosystem and monitored population declines across multiple taxa. Simultaneous introductions of hundreds of non-native ...
... AIM: Many studies use differences among plant populations to infer future plant responses, but these predictions will provide meaningful insights only if patterns of plasticity among populations are similar (i.e., in the absence of population‐by‐environment interaction, P × E). In this study, we tested whether P × E is considered in climate change studies. Specifically, we evaluated whether popula ...
... Wetlands are known to provide a myriad of vital ecosystem functions and services, which may be under threat from a changing climate. However, these effects may not be homogenous across ecosystem functions, wetland types, ecoregions, or meso‐scale watersheds, making broad application of the same management techniques inappropriate. Here, we present a relative wetland vulnerabilities framework, appl ...
A. Al-Yaari; J.-P. Wigneron; W. Dorigo; A. Colliander; T. Pellarin; S. Hahn; A. Mialon; P. Richaume; R. Fernandez-Moran; L. Fan; Y.H. Kerr; G. De Lannoy
National Aeronautics and Space Administration; Soil Moisture and Ocean Salinity satellite; algorithms; carbon cycle; climate change; climatic factors; ecoregions; energy; monitoring; radar; remote sensing; soil water; time series analysis; vegetation types; water budget
Abstract:
... Soil moisture (SM) is a key state variable in understanding the climate system through its control on the land surface energy, water budget partitioning, and the carbon cycle. Monitoring SM at regional scale has become possible thanks to microwave remote sensing. In the past two decades, several satellites were launched carrying on board either radiometer (passive) or radar (active) or both sensor ...
climate; climate change; community structure; ecoregions; fire severity; pollinators; species richness; topography; wildfires; Rocky Mountain region
Abstract:
... Understanding how abiotic disturbance and biotic interactions determine pollinator and flowering‐plant diversity is critically important given global climate change and widespread pollinator declines. To predict responses of pollinators and flowering‐plant communities to changes in wildfire disturbance, a mechanistic understanding of how these two trophic levels respond to wildfire severity is nee ...
Landsat; biodiversity; climate change; ecoregions; food security; grassland management; grasslands; land restoration; livestock; prediction; soil; spatial variation; time series analysis; vegetation cover; Caucasus region
Abstract:
... Grasslands are important for global biodiversity, food security, and climate change analyses, which makes mapping and monitoring of vegetation changes in grasslands necessary to better understand, sustainably manage, and protect these ecosystems. However, grassland vegetation monitoring at spatial and temporal resolution relevant to land management (e.g., ca. 30-m, and at least annually over long ...
biodiversity; climate; climate change; climate models; dry environmental conditions; ecoregions; ecosystems; ecotones; environmental health; growing season; meteorological data; mountains; public lands; social welfare; temperature; tribal lands; wildland; Midwestern United States
Abstract:
... The remaining wildlands in the North Central US include varying proportions of public, private, and tribal lands across water balance ecotones. These wildlands may be highly vulnerable changing climate impacting their ability to sustain biodiversity and ecosystem functioning. We quantified projected changes in growing season climate (temperature) and water balance (MI: moisture index) in Greater W ...
... The impacts of climate change traverse administrative borders, which calls for new strategies for forest ecosystem conservation and adaptive management. Despite relatively high biodiversity, the temperate forests in East Asia have lacked a comprehensive regional evaluation of potential climate change impacts. Here, we assess the level of climate change exposure of the Temperate Broadleaf and Mixed ...
air temperature; climate change; ecoregions; fish; freshwater; habitats; landscapes; streams
Abstract:
... Changes in climate are known to alter air temperature and precipitation and their associated thermal and hydrological regimes of freshwater systems, and such alterations in habitat are anticipated to modify fish composition in fluvial systems. Despite these expected changes, assessing climate change effects on habitat and fish over large regions has proven challenging. The goal of this study is to ...
Antilocapra americana; Artemisia; basins; carbon; climate; climate change; ecoregions; habitats; land use change; telemetry; Western United States
Abstract:
... AIMS: In the sagebrush ecosystems of the western United States, identifying and enhancing habitat for large ungulates has become an increased priority for many management agencies, as indicated by Department of Interior Secretarial Order 3362. Estimating and understanding current and future habitat suitability and connectivity is important for successful long‐term management of these species. LOCA ...
carbon dioxide; climate change; dams (hydrology); ecoregions; freshwater; gases; greenhouse gas emissions; greenhouse gases; industry; lakes; methane; prediction; rivers; surface water; uncertainty; water power
Abstract:
... Freshwater bodies are found as significant sources of greenhouse gas to the atmosphere, but their quantitative significance is not yet clear. The rapid increase in hydropower dams and associated emissions has received much attention from hydropower industries, environmentalists, and policymakers from across the globe. The tropical/subtropical eco-regions are, particularly, considered as hotspots f ...
... Wildland fire is common and widespread in Alaskan tundra. Tundra fires exert considerable influence on local ecosystem functioning and contribute to climate change through biogeochemical (e.g. carbon cycle) and biogeophysical (e.g. albedo) effects. These treeless landscapes are characterized by a high degree of variation in fuel loading at scales much finer than moderate (30 m) satellite observati ...
... Mongolia contains some of the largest intact grasslands in the world, but is vulnerable to future changes in climate and continued increases in the number of domestic livestock. As these are two major drivers of change, it is important to understand interactions between the impact of climate and grazing on productivity of Mongolia’s rangelands and the livelihoods they sustain. We use a gridded, sp ...
... Shifts in temperature as a result of climate change play an important role in the long-term dynamics of resource use and resulting species interactions. Functional responses can give ecologically relevant insights of context-specific density-dependent resource use with low intensity animal use. This is especially useful when working with vulnerable species. The Rondegat River in South Africa’s Cap ...
agricultural land; anthropogenic activities; biodiversity; climate change; conservation areas; conservation status; ecoregions; fish; geographical distribution; indigenous species; land use; models; streams; uncertainty; watersheds; Western United States
Abstract:
... AIM: To assess the effectiveness of protected areas in two catchment scales (local and network) in conserving regionally common fluvial fishes using modelled species distributions. LOCATION: Conterminous United States. METHODS: A total of 150 species were selected that were geographically widespread, abundant, non‐habitat specialists and native within nine large ecoregions. Species distribution mo ...
... Climate change affects various aspects of ecosystem functioning, especially photosynthesis, respiration and carbon storage. We need accurate modelling approaches (impact models) to simulate forest functioning and vitality in a warmer world so that forest models can estimate multiple changes in ecosystem service provisions (e.g., productivity and carbon storage) and test management strategies to pr ...
... Arbuscular mycorrhizal fungi (AMF) spore density and root colonization are considered sensitive to host species and abiotic factors such as climate and soil. However, there is a knowledge gap about how fragmented native forest remnants might contribute to AMF conservation, what is the AMF spore density and root colonization, and to what extent climate change, particularly warming, might impact AMF ...
acid rain; chemical analysis; climate change; ecoregions; ecosystems; landscapes; rivers; soil; streams; vegetation; water; watersheds; Adirondacks; New York
Abstract:
... The Buck Creek‐Boreas River Adirondack Watershed Monitoring Program, located in the Adirondack region of New York State, United States, combines the monitoring of headwater streams, soils, and vegetation based on a watershed design. Continuous monitoring of six watersheds is linked to the sampling of more than 400 additional Adirondack streams between 2003 and 2019 for chemical analysis of 14 cons ...
agricultural land; atmospheric precipitation; climate change; decision making; desserts; ecoregions; ecosystem services; forests; grasslands; land cover; land policy; land use change; models; mountains; planning; runoff; soil; temperature; terrestrial ecosystems; water supply; watersheds; wetlands; China
Abstract:
... Water provision (WP) is an important service of the terrestrial ecosystem, which contributes to water availability for consumptive use and in situ water supply, sustains the production or flows of multiple ecosystem services (ES). Spatially explicit mapping of WP is critical for incorporating the ES concept into the decision-making processes of land-use and ecological conservation planning. Tradit ...
Brachystegia; United Nations Framework Convention on Climate Change; biodiversity; climate; climate change; desertification; ecoregions; ecosystems; forests; issues and policy; momentum; woodlands; Southern Africa
Abstract:
... Miombo woodlands are some of the most important and widespread woodlands in eastern and southern Africa across southern Africa. The 1992 earth summit in Rio resulted in the formation of three conventions United Nations Framework Convention on Climate Change (UNFCCC), United Nations Convention to Combat Desertification and Convention on Biological Diversity (CBD). This article aims at analyzing the ...
... Medicinal plants of the North-Western Himalayan region are known for their unprecedented biodiversity and valuable secondary metabolites that are unique to this dynamic geo-climatic region. From ancient times these medicinal herbs have been used traditionally for their therapeutic potentials. But from the last 2 decades increasing pharmaceutical demand, illegal and unorganized trade of these medic ...