Ecological Impacts of Climate Change

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However, the magnitude and distribution of these terrestrial carbon sinks remained uncertain prior to a NCEAS study by Goodale and colleagues. These researchers used national forest inventories from Canada, the United States, Europe, Russia, and China to estimate the amount of carbon absorbed annually by N. Hemisphere forests. Hemisphere terrestrial carbon sink occurred in only one-third of the forested area, in regions that experience fire suppression, agricultural abandonment, and plantation forestry.

Prior to a NCEAS study by Bastviken and colleagues , freshwater and wetland ecosystems had been largely ignored in calculating global greenhouse gas budgets. Therefore, this study suggests that the continental greenhouse gas sink may be sizably overestimated. Net primary productivity NPP , the rate at which plants convert atmospheric carbon into biomass through photosynthesis, is one of the most critical components of the terrestrial carbon cycle. Del Grosso et al. Consequently, a new model was developed that provides more accurate estimates of how global NPP will respond to climate change and affect climate in the future.

As atmospheric carbon dioxide increases, changes in the global carbon cycle will impact the cycling of another important nutrient: nitrogen. However, the complexity of interactions between the carbon and nitrogen cycles makes it difficult to predict how each cycle will respond to atmospheric carbon dioxide. Through the synthesis of existing experimental data, Luo et al. This means that in some cases, the amount of carbon dioxide that can be sequestered by plants may be limited by the amount of nitrogen in the soil.

Using this framework in climate change models has the potential to reduce uncertainty about global terrestrial carbon sequestration by providing a better understanding of the role of nitrogen. Permafrost—subsurface soil that remains below freezing for two consecutive years or more—stores billions of metric tons of organic carbon.


Climate change alters the ecological impacts of seasons

As global temperatures rise, permafrost thaws and microbes decompose the ancient carbon, releasing methane and carbon dioxide CO 2 into the atmosphere. Our research teams have provided insights into how managers and policymakers can conserve natural resources under a changing climate. Biological reserves are intended to protect species, communities, and ecosystems in human-dominated landscapes.

ScienceDaily, 3 June Cardiff University. Improvements in water quality could reduce ecological impact of climate change on rivers: Efforts to improve water quality of rivers could off-set the impact of climate change on river invertebrates. Retrieved September 25, from www.

Climate Change Impacts

Some efforts at reducing carbon emissions The paper shows how such pollution, known as aerosols, can Below are relevant articles that may interest you. ScienceDaily shares links with scholarly publications in the TrendMD network and earns revenue from third-party advertisers, where indicated.

Boy or Girl? Did Mosasaurs Do the Breast Stroke? Goudie AS. Global warming and fluvial geomorphology. Arturo Elosegi, Sergi Sabater. Effects of hydromorphological impacts on river ecosystem functioning: A review and suggestions for assessing ecological impacts.

Basic principles and ecological consequences of altered flow regimes for aquatic biodiversity. Env Manag. Ecological connectivity in alluvial river ecosystems and its disruption by flow regulation. Regul River. Paxton BR.

Climate change impacts | National Oceanic and Atmospheric Administration

The influence of hydraulics, hydrology and temperature on the distribution, habitat use and recruitment of threatened cyprinids in a Western Cape river, South Africa [PhD thesis]. Cape Town: University of Cape Town; Application of the hydraulic biotope concept to the classification of instream habitats. Aquat Ecosys Health.

Tharme RE. Ecologically relevant low flows for riverine benthic macro-invertebrates: Characterization and application [PhD thesis]. Ecological responses to altered flow regimes: A literature review to inform the science and management of environmental flows. Freshwater Biol. Aspects of climate change and its associated impacts on wetland ecosystem functions: A review.

J Am Sci. Global biodiversity scenarios for the year Ricciardi A, Rasmussen JB. Extinction rates of North American freshwater fauna. Conserv Biol. Freshwater biodiversity: Importance, threats, status and conservation challenges. Biol Rev. Gland: IUCN; Atlas of freshwater ecosystem priority areas in South Africa: Maps to support sustainable development of water resources.

Ashton P. Riverine biodiversity conservation in South Africa: Current situation and future prospects. Aquat Conserv. Quantifying the effect of catchment and use and water nutrient concentrations on freshwater river and stream biodiversity. Predicting freshwater habitat integrity using land-use surrogates. Allan JD. Landscapes and riverscapes: The influence of land use on stream ecosystems. Annu Rev Ecol Sys. Relationship between water temperature predictability and aquatic macroinvertebrate assemblages in two South African streams. Afr J Aquat Sci. King JM. The distribution of invertebrate communities in a small South African river.

Ractliffe SG.

Disturbance and temporal variability in invertebrate assemblages in two South African rivers [PhD thesis]. Species richness of streams of different size from the same drainage basin. Am Nat. Determining vulnerability of stream communities to climate change at the landscape scale. Climate change and freshwater biodiversity: Detected patterns, future trends and adaptations in northern regions. Anticipated climate warming effects on bull trout habitats and populations across the interior Columbia Basin. T Am Fish Soc. Sheldon AL. Possible climate-induced shift of stoneflies in a southern Appalachian catchment.

Freshwater Sci. Chessman BC. Biological traits predict shifts in geographical ranges of freshwater invertebrates during climatic warming and drying. J Biogeog. Millennium Ecosystem Assessment. Ecosystems and human well-being: Synthesis. Washington, DC: Island Press; Climate change in Australian tropical rainforests: An impending environmental catastrophe.

Species review of amphibian extinction risks in Madagascar: Conclusions from the global amphibian assessment. The status and distribution of freshwater biodiversity in southern Africa. River conservation in a changing world: Invertebrate diversity and spatial prioritization in south-eastern coastal Australia. Mar Freshwater Res. Identifying climatic niche shifts using coarse-grained occurrence data: A test with non-native freshwater fish. Glob Ecol Biogeog.

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Impacts of climate change on biodiversity, ecosystems, and ecosystem services: Technical input to the National Climate Assessment. Cooperative report to the National Climate Assessment; Assessing the effects of climate change on aquatic invasive species. Poised to prosper? A cross-system comparison of climate change effects on native and non-native species performance. Ecol Lett. Effect of flow variability modification and hydraulics on invertebrate communities in the Great Fish River Eastern Cape Province, South Africa , with particular reference to critical hydraulic thresholds limiting larval densities of Simulium chutteri Lewis Diptera, Simuliidae.

River Res Appl. The impact of invasive fish and invasive riparian plants on the invertebrate fauna of the Rondegat River, Cape Floristic Region, South Africa. Rural Fisheries Programme. A manual for rural freshwater aquaculture. Hunter PR. Climate change and waterborne and vector-borne disease. J Appl Microbiol Symp Suppl. Understanding the link between malaria risk and climate.

Potential effect of climate change on malaria transmission in Africa. Climate change and river ecosystems: Protection and adaptation options. Environ Manage. King J, Pienaar H. Sustainable use of South Africa's inland waters.

Improvements in water quality could reduce ecological impact of climate change on rivers

Managing for variation to sustain freshwater ecosystems. J Water Res Pl-Asce. The ecological limits of hydrologic alteration ELOHA : A new framework for developing regional environmental flow standards. Brown CA, Joubert A. Using multicriteria analysis to develop environmental flow scenarios for rivers targeted for water resource development. A scenario-based holistic approach to environmental flow assessments for rivers. King J, Brown C. Environmental flows: Striking the balance between development and resource protection. Ecol Soc. Running dry: Freshwater biodiversity, climate change and protected areas.

Climate change and the world's river basins: Anticipating management options. Front Ecol Environ. Aquatic ecosystems and global climate change: Potential impacts on inland freshwater and coastal wetland ecosystems in the United States. Management of the water resources of the Republic of South Africa.

Pretoria: DWAF; Changes in the physico-chemistry and benthic invertebrates of the Great Fish River, South Africa, following an interbasin transfer of water. The effects of impoundment on the physiochemistry of two contrasting southern African river systems.

Transported material in a small river with multiple impoundments. Arch Hydrob.

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Downstream effects of a small impoundment on a turbid river. A global overview of inter-basin water transfer schemes: Ecological socio-economic and socio-political implications and recommendations for their management. Guidelines for the planning, design and operation of fishways in South Africa. An overview of the current status of water quality in South Africa and possible trends of change. Present and potential future vulnerability of eastern and southern Africa's hydrology and water resources.

S Afr J Sci. Procedures to develop and implement resource quality objectives. Pretoria: Department of Water Affairs; Systematic conservation planning. Freshwater conservation planning in South Africa: Milestones to date and catalysts for implementation. Designing a conservation area network that supports the representation and persistence of freshwater biodiversity.

Scale-based freshwater conservation planning: Towards protecting freshwater biodiversity in KwaZulu-Natal, South Africa. World Bank. Flowing forward: Freshwater ecosystem adaptation to climate change in water resources management and biodiversity conservation. Working Note 28; Rivers-Moore NA. Turnover patterns in fish versus macroinvertebrates -Implications for conservation planning.

Dunlop M, Brown PR. Implications of climate change for Australia's National Reserve system: A preliminary assessment. Report to the Department of Climate Change, Australia; A method for assessing hydrologic alteration within ecosystems. A new era in catchment management: Integration of environmental flow assessment and freshwater conservation planning. Incorporating thermal regimes into environmental flows assessments: Modifying dam operations to restore freshwater ecosystem integrity.

Patchiness, species interactions and disturbance in the stream benthos.

Ecological Impacts of Climate Change Ecological Impacts of Climate Change
Ecological Impacts of Climate Change Ecological Impacts of Climate Change
Ecological Impacts of Climate Change Ecological Impacts of Climate Change
Ecological Impacts of Climate Change Ecological Impacts of Climate Change
Ecological Impacts of Climate Change Ecological Impacts of Climate Change
Ecological Impacts of Climate Change Ecological Impacts of Climate Change
Ecological Impacts of Climate Change Ecological Impacts of Climate Change
Ecological Impacts of Climate Change Ecological Impacts of Climate Change

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