Relevant bibliographies by topics / Anthropogenically induced change

Academic literature on the topic 'Anthropogenically induced change'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "Anthropogenically induced change"

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C.C., Asonye, Leslie T.A., Sodimu J., Fadipe O., and Kenai N.D. "Anthropogenically Induced Ecosystem Dysfunction and Human Health." African Journal of Environment and Natural Science Research 4, no. 3 (July 24, 2021): 48–58. http://dx.doi.org/10.52589/ajensr-w0lhry0n.

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Health is the most basic human right and one of the most important indicators of sustainable development. Individuals, communities and societies depend on healthy ecosystems support to remain healthy. Well-functioning ecosystems provide goods and services essential for human health. These goods and services include nutrition and food security, clean air and fresh water, medicines, cultural and spiritual values, and contributions to local livelihoods and economic development. They can also help to limit disease and stabilize the climate. However, over the years human activities have been constantly placing pressure on earth’s natural resources to meet the demands of the economies and the needs of a rapidly growing global population, which has resulted in the transformation of basic natural processes such as weather/climate, biogeochemical cycling, and more so the biological diversity in which the evolutionary changes depend. It is projected that less than 25% of Earth’s surface remains free from substantial impacts of human activities and the proportion is set to fall to a mere 10% or less by 2050. Constant human activities are resulting in soil, water and air pollution, increased emissions of greenhouse gases, deforestation and land use change, expanded urban areas, introduction of non-native species, and inadequately planned development of water and land resources to meet food and energy needs. These changes are having both direct and indirect impacts on our climate, ecosystems and biological diversity and human health. Thus, the integrated course of action that involves both individual and the government efforts must be instituted to tackle both human-induced drivers of biodiversity loss, disease emergence and the loss of ecosystem services that support health and general human well-being.
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Goman, Michelle, Arthur Joyce, and Raymond Mueller. "Stratigraphic evidence for anthropogenically induced coastal environmental change from Oaxaca, Mexico." Quaternary Research 63, no. 3 (May 2005): 250–60. http://dx.doi.org/10.1016/j.yqres.2005.02.008.

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Previous interdisciplinary paleoenvironmental and archaeological research along the Río Verde Valley of Oaxaca, Mexico, showed that Holocene erosion in the highland valleys of the upper drainage basin triggered geomorphic changes in the river's coastal floodplain. This article uses stratigraphic data from sediment cores extracted from Laguna Pastoría, an estuary in the lower Río Verde Valley, to examine changes in coastal geomorphology potentially triggered by highland erosion. Coastal lagoon sediments contain a stratigraphically and chronologically distinct record of major hurricane strikes during late Holocene times. Three distinct storm facies are identified from sediment cores obtained from Laguna Pastoría, which indicate that profound coastal environmental changes occurred within the region and are correlated with increased sediment supplied from highland erosion. The Chione/Laevicardium facies was deposited in an open bay while the Mytella/barnacle facies and sand facies were deposited in an enclosed lagoon following bay barrier formation. We argue that highland erosion triggered major geomorphic changes in the lowlands including bay barrier formation by ∼2500 cal yr B.P. These environmental changes may have had significant effects on human populations in the region. The lagoon stratigraphy further indicates an increase in mid–late Holocene hurricane activity, possibly caused by increased El Niño frequencies.
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Bissett, Andrew, Mark V. Brown, Steven D. Siciliano, and Peter H. Thrall. "Microbial community responses to anthropogenically induced environmental change: towards a systems approach." Ecology Letters 16 (May 2013): 128–39. http://dx.doi.org/10.1111/ele.12109.

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Apsimon, H., I. Thornton, W. Fyfe, Yetang Hong, J. Leggett, J. O. Nriagu, J. M. Pacyna, et al. "Anthropogenically induced global change — Report of working group 3, IUGS workshop on global change past and present." Palaeogeography, Palaeoclimatology, Palaeoecology 82, no. 1-2 (May 1990): 97–111. http://dx.doi.org/10.1016/s0031-0182(12)80024-1.

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Apsimon, H. "Anthropogenically induced global change — Report of working group 3, IUGS workshop on global change past and present." Global and Planetary Change 2, no. 1-2 (May 1990): 97–111. http://dx.doi.org/10.1016/0921-8181(90)90040-j.

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Strasser, A. "Global change and the decline of coral reefs." Geographica Helvetica 54, no. 3 (September 30, 1999): 125–31. http://dx.doi.org/10.5194/gh-54-125-1999.

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Abstract. Ever since coral reefs exist, changing environmental conditions have periodically led to their decline. However, within the perspective of geological time-spans, corals have always managed to re-install themselves. Today, human activity has enhanced stress factors and added new ones that cause a rapid and (on the human time-scale) irreversible decline of many reef ecosystems. The reasons for the disturbance of these complex communities are multiple, but global warming is a key factor. As a result, coral reefs lose their vital role of protecting coastal areas from flooding and storm impact and of creating habitats for numerous marine organisms. In this short article, natural and anthropogenically induced stress factors are discussed, and measures for mitigating or stopping coral-reef decline are proposed.
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Schallenberg, Marc, and Émilie Saulnier-Talbot. "Trajectory of an anthropogenically induced ecological regime shift in a New Zealand shallow coastal lake." Marine and Freshwater Research 67, no. 10 (2016): 1522. http://dx.doi.org/10.1071/mf15211.

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This study examines environmental change over the post-colonial period at Wainono (South Canterbury, New Zealand), a coastal lagoon and wetland of national and international significance for native birds and fish, currently targeted for restoration. In order to better understand the recent trajectory of this ecosystem, a multi-proxy palaeolimnological approach was adopted, including the analysis of core composition, and diatom and macrofossil assemblages in sedimentary archives. Results indicated that a combination of land-use changes in the catchment and water-level control, by an artificial connection to the sea, transformed this shallow lake from a freshwater macrophyte-dominated state to a brackish, hypertrophic system with little or no macrophytes. The reconstruction corroborates the trajectory of stressors gleaned from historical reports of changes in and around Wainono Lagoon, as well as reported trajectories from other coastal lakes and lagoons of the east coast of the South Island of New Zealand and elsewhere around the world. This study adds to the evidence that such ecosystems are ecologically vulnerable and in need of careful management to safeguard the important biodiversity and provisioning values that they afford. It also highlights the usefulness of the palaeolimnological approach in providing substantial information for improving sustainable management and restoration strategies for shallow lakes.
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Blattmann, Thomas M., Martin Wessels, Cameron P. McIntyre, and Timothy I. Eglinton. "Projections for Future Radiocarbon Content in Dissolved Inorganic Carbon in Hardwater Lakes: A Retrospective Approach." Radiocarbon 60, no. 3 (March 4, 2018): 791–800. http://dx.doi.org/10.1017/rdc.2018.12.

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ABSTRACTInland water bodies contain significant amounts of carbon in the form of dissolved inorganic carbon (DIC) derived from a mixture of modern atmospheric and pre-aged sources, which needs to be considered in radiocarbon-based dating and natural isotope tracer studies. While reservoir effects in hardwater lakes are generally considered to be constant through time, a comparison of recent and historical DI14C data from 2013 and 1969 for Lake Constance reveals that this is not a valid assumption. We hypothesize that changes in atmospheric carbon contributions to lake water DIC have taken place due to anthropogenically forced eutrophication in the 20th century. A return to more oligotrophic conditions in the lake led to reoxygenation and enhanced terrigenous organic matter remineralization, contributing to lake water DIC. Such comparisons using DI14C measurements from different points in time enable nonlinear changes in lake water DIC source and signature to be disentangled from concurrent anthropogenically induced changes in atmospheric 14C. In the future, coeval changes in lake dynamics due to climate change are expected to further perturb these balances. Depending on the scenario, Lake Constance DI14C is projected to decrease from the 2013 measured value of 0.856 Fm to 0.54–0.62 Fm by the end of the century.
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van Elk, Jan, Stephen J. Bourne, Steve J. Oates, Julian J. Bommer, Rui Pinho, and Helen Crowley. "A Probabilistic Model to Evaluate Options for Mitigating Induced Seismic Risk." Earthquake Spectra 35, no. 2 (May 2019): 537–64. http://dx.doi.org/10.1193/050918eqs118m.

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Common responses to induced seismicity are based on control of the anthropogenic activity causing the earthquakes, such as fluid injection or withdrawal, in order to limit either the magnitudes of the events or the level of ground motion to within established thresholds. An alternative risk-mitigation option is seismic retrofitting of the more vulnerable buildings potentially exposed to the ground shaking to reduce the risk to acceptable levels. Optimal mitigation strategies may combine both production control and structural strengthening, for which a probabilistic risk model is required that can estimate the change in hazard caused by production or injection variations and the changes in fragility resulting from structural interventions. Such a risk model has been developed for the Groningen gas field in the Netherlands. The framework for this risk model to inform decision making regarding mitigation strategies can be adapted to other cases of anthropogenically induced seismicity.
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Hill, Spencer A., Yi Ming, and Isaac M. Held. "Mechanisms of Forced Tropical Meridional Energy Flux Change." Journal of Climate 28, no. 5 (February 26, 2015): 1725–42. http://dx.doi.org/10.1175/jcli-d-14-00165.1.

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Abstract Anthropogenically forced changes to the mean and spatial pattern of sea surface temperatures (SSTs) alter tropical atmospheric meridional energy transport throughout the seasonal cycle—in total, its partitioning between the Hadley cells and eddies and, for the Hadley cells, the relative roles of the mass flux and the gross moist stability (GMS). The authors investigate this behavior using an atmospheric general circulation model forced with SST anomalies caused by either historical greenhouse gas or aerosol forcing, dividing the SST anomalies into two components: the tropical mean SST anomaly applied uniformly and the full SST anomalies minus the tropical mean. For greenhouse gases, the polar-amplified SST spatial pattern partially negates enhanced eddy poleward energy transport driven by mean warming. Both SST components weaken winter Hadley cell circulation and alter GMS. The Northern Hemisphere–focused aerosol cooling induces northward energy flux anomalies in the deep tropics, which manifest partially via strengthened northern and weakened southern Hadley cell overturning. Aerosol-induced GMS changes also contribute to the northward energy fluxes. A simple thermodynamic scaling qualitatively captures these changes, although it performs less well for the greenhouse gas simulations. The scaling provides an explanation for the tight correlation demonstrated in previous studies between shifts in the intertropical convergence zone and cross-equatorial energy fluxes.
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Dissertations / Theses on the topic "Anthropogenically induced change"

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Warman, Craig S. "Understanding the spatial and temporal variation in anthropogenically induced channel response in the Irwin River catchment." University of Western Australia. School of Earth and Geographical Sciences, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0214.

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The Irwin River catchment, located in the central western region of Western Australia, has been the scene of significant geomorphological change over both historical and geological timescales. This thesis focuses on the most recent of these changes, the anthropogenic imprint, through the development of a catchment-scale understanding of system behaviour. Analysis and modelling of changes in the hydrological behaviour of the system indicates that while the Irwin River has displayed a natural susceptibility to large flood events, these have been exacerbated by the widespread clearing of native vegetation throughout the catchment. As a result, when such events do occur, the catchment response is now larger, more direct and has a greater ability to cause erosion. However, the nature and detail of sediment yield processes and stream channel response varies markedly throughout the system. A series of representative channel reaches, as defined by their planform characteristics, geometry and architecture, are presented to illustrate spatial changes in stream channel behaviour. A distinct variation in river morphotypes is seen both downstream throughout the system as well as across the tributary sub-catchments of the Irwin River, Lockier River and Green Brook. This inter and intra sub-catchment variation in stream channel response can be attributed to changes in the boundary conditions and coupling mechanisms in operation throughout the Irwin River system. The pronounced spatial variability in response to human disturbance and the changing nature of catchment-scale connectivity seen in the Irwin River system differs markedly to that reported elsewhere in the literature. Appreciation of the variability in form, behaviour and evolutionary history throughout the Irwin River catchment not only provides the foundation for effective management but also contributes to a wider understanding of fluvial system behaviour. Unlike the majority of existing literature, which tends to identify and measure channel changes in a single catchment where historical variation to the sediment and discharge regime is well known, this study demonstrates the role of boundary conditions in determining the response of the fluvial system to changing environmental controls.
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Wilkinson, Anna N. "Chrysophycean stomatocysts as indicators of anthropogenically induced water quality changes in south-central Ontario lakes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq20711.pdf.

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Madurapperuma, Buddhika D. "From Bray-Curtis Ordination to Markov Chain Monte Carlo Simulation: Assessing Anthropogenically-Induced andor Climatically-Induced Changes in Arboreal Ecosystems." Diss., North Dakota State University, 2013. https://hdl.handle.net/10365/27057.

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Mapping forest resources is useful for identifying threat patterns and monitoring changes associated with landscapes. Remote Sensing and Geographic Information Science techniques are effective tools used to identify and forecast forest resource threats such as exotic plant invasion, vulnerability to climate change, and land-use/cover change. This research focused on mapping abundance and distribution of Russian-olive using soil and land-use/cover data, evaluating historic land-use/cover change using mappable water-related indices addressing the primary loss of riparian arboreal ecosystems, and detecting year-to-year land-cover changes on forest conversion processes. Digital image processing techniques were used to detect the changes of arboreal ecosystems using ArcGIS ArcInfo? 9.3, ENVI?, and ENVI? EX platforms. Research results showed that Russian-olive at the inundated habitats of the Missouri River is abundant compared to terrestrial habitats in the Bismarck-Mandan Wildland Urban Interface. This could be a consequence of habitat quality of the floodplain, such as its silt loam and silty clay soil type, which favors Russian-olive regeneration. Russian-olive has close assemblage with cottonwood (Populus deltoides) and buffaloberry (Shepherdia argentea) trees at the lower elevations. In addition, the Russian-olive-cottonwood association correlated with low nitrogen, low pH, and high Fe, while Russian-olive- buffaloberry association occurred in highly eroded areas. The Devils Lake sub-watershed was selected to demonstrate how both land-use/cover modification and climatic variability have caused the vulnerability of arboreal ecosystems on the fringe to such changes. Land-cover change showed that the forest acreage declined from 9% to 1%, water extent increased from 13% to 25%, and cropland extent increased from 34% to 39% between 1992 and 2006. In addition, stochastic modeling was adapted to simulate how land-use/cover change influenced forest conversion to non-forested lands at the urban-wildland fringes in Cass County. The analysis yielded two distinct statistical groups of transition probabilities for forest to non-forest, with high transition probability of unchanged forest (0.54?; Pff?; 0.68) from 2006 to 2011. Generally, the land-uses, such as row crops, showed an increasing trend, while grains, hay, seeds, and other crops showed a declining trend. This information is vital to forest managers for implementing restoration and conservation practices in arboreal ecosystems.
United States Department of Agriculture Forest Service award #10-DG-11010000-011
Catalog of Federal Domestic Assistance (CFDA) Cooperative Forestry #10.664
NDSU Department of Geosciences
Research, Creative Activities & Tech Transfer (RCATT)
NDSU Department of Geosciences
Environmental and Conservation Sciences Program
NDSU College of Science & Mathematics
North Dakota View Scholarship
Alexander Goetz Instrument Support Program
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Madurapperuma, Buddhika Dilhan. "From Bray-Curtis ordination to Markov Chain Monte Carlo simulation| assessing anthropogenically-induced and/or climatically-induced changes in arboreal ecosystems." Thesis, North Dakota State University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3589285.

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Mapping forest resources is useful for identifying threat patterns and monitoring changes associated with landscapes. Remote Sensing and Geographic Information Science techniques are effective tools used to identify and forecast forest resource threats such as exotic plant invasion, vulnerability to climate change, and land-use/cover change. This research focused on mapping abundance and distribution of Russian-olive using soil and land-use/cover data, evaluating historic land-use/cover change using mappable water-related indices addressing the primary loss of riparian arboreal ecosystems, and detecting year-to-year land-cover changes on forest conversion processes. Digital image processing techniques were used to detect the changes of arboreal ecosystems using ArcGIS ArcInfo® 9.3, ENVI®, and ENVI® EX platforms.

Research results showed that Russian-olive at the inundated habitats of the Missouri River is abundant compared to terrestrial habitats in the Bismarck-Mandan Wildland Urban Interface. This could be a consequence of habitat quality of the floodplain, such as its silt loam and silty clay soil type, which favors Russian-olive regeneration. Russian-olive has close assemblage with cottonwood (Populus deltoides) and buffaloberry (Shepherdia argentea) trees at the lower elevations. In addition, the Russian-olive-cottonwood association correlated with low nitrogen, low pH, and high Fe, while Russian-olive- buffaloberry association occurred in highly eroded areas.

The Devils Lake sub-watershed was selected to demonstrate how both land-use/cover modification and climatic variability have caused the vulnerability of arboreal ecosystems on the fringe to such changes. Land-cover change showed that the forest acreage declined from 9% to 1%, water extent increased from 13% to 25%, and cropland extent increased from 34% to 39% between 1992 and 2006. In addition, stochastic modeling was adapted to simulate how land-use/cover change influenced forest conversion to non-forested lands at the urban-wildland fringes in Cass County. The analysis yielded two distinct statistical groups of transition probabilities for forest to non-forest, with high transition probability of unchanged forest (0.54≤ Pff ≤ 0.68) from 2006 to 2011. Generally, the land-uses, such as row crops, showed an increasing trend, while grains, hay, seeds, and other crops showed a declining trend. This information is vital to forest managers for implementing restoration and conservation practices in arboreal ecosystems.

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Books on the topic "Anthropogenically induced change"

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Schmidt-Thomé, Philipp. Climate Change Adaptation. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190228620.013.635.

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Climate change adaptation is the ability of a society or a natural system to adjust to the (changing) conditions that support life in a certain climate region, including weather extremes in that region. The current discussion on climate change adaptation began in the 1990s, with the publication of the Assessment Reports of the Intergovernmental Panel on Climate Change (IPCC). Since the beginning of the 21st century, most countries, and many regions and municipalities have started to develop and implement climate change adaptation strategies and plans. But since the implementation of adaptation measures must be planned and conducted at the local level, a major challenge is to actually implement adaptation to climate change in practice. One challenge is that scientific results are mainly published on international or national levels, and political guidelines are written at transnational (e.g., European Union), national, or regional levels—these scientific results must be downscaled, interpreted, and adapted to local municipal or community levels. Needless to say, the challenges for implementation are also rooted in a large number of uncertainties, from long time spans to matters of scale, as well as in economic, political, and social interests. From a human perspective, climate change impacts occur rather slowly, while local decision makers are engaged with daily business over much shorter time spans.Among the obstacles to implementing adaptation measures to climate change are three major groups of uncertainties: (a) the uncertainties surrounding the development of our future climate, which include the exact climate sensitivity of anthropogenic greenhouse gas emissions, the reliability of emission scenarios and underlying storylines, and inherent uncertainties in climate models; (b) uncertainties about anthropogenically induced climate change impacts (e.g., long-term sea level changes, changing weather patterns, and extreme events); and (c) uncertainties about the future development of socioeconomic and political structures as well as legislative frameworks.Besides slow changes, such as changing sea levels and vegetation zones, extreme events (natural hazards) are a factor of major importance. Many societies and their socioeconomic systems are not properly adapted to their current climate zones (e.g., intensive agriculture in dry zones) or to extreme events (e.g., housing built in flood-prone areas). Adaptation measures can be successful only by gaining common societal agreement on their necessity and overall benefit. Ideally, climate change adaptation measures are combined with disaster risk reduction measures to enhance resilience on short, medium, and long time scales.The role of uncertainties and time horizons is addressed by developing climate change adaptation measures on community level and in close cooperation with local actors and stakeholders, focusing on strengthening resilience by addressing current and emerging vulnerability patterns. Successful adaptation measures are usually achieved by developing “no-regret” measures, in other words—measures that have at least one function of immediate social and/or economic benefit as well as long-term, future benefits. To identify socially acceptable and financially viable adaptation measures successfully, it is useful to employ participatory tools that give all involved parties and decision makers the possibility to engage in the process of identifying adaptation measures that best fit collective needs.
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Book chapters on the topic "Anthropogenically induced change"

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Roberts, Patrick. "The Tropical ‘Anthropocene’ A Modern Battleground or a Long-Term Framework?" In Tropical Forests in Prehistory, History, and Modernity. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198818496.003.0012.

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Although referencing temperate, rather than tropical, rainforest destruction in the United States of America the above passage highlights the shift in landscape valuation driven by modern demographic and economic pressures. Firstly, as a greater proportion of the world’s population shifts to the tropics over the course of the twenty-first century, more and more local smallholders will rely on tropical forests as a source of freshwater, agricultural land, and urban land, as well as timber, medicine, and food (Ghazoul and Sheil, 2010; The State of the Tropics Project, 2016). Furthermore, rather than solely being contexts for local subsistence and use, tropical forests are now also national and international ‘mines’ that provision high value wood, minerals, fuels, and land for multi-national businesses and markets. Notions that tropical forests should be removed, rather than managed or maintained, in order to increase local productivity and land value, have led to them becoming the most threatened terrestrial environments on the face of the Earth after the polar ice-caps. Certainly, the increasingly dramatic impacts these pressures are having upon them form part of broader discussions of a new, human-driven era of earth systems domination known as the ‘Anthropocene’ (Malhi et al., 2014). Disproportionate biodiversity, the regulatory role these habitats play in local and regional soil structure and chemistry, and their position within local, regional, and even global climate systems mean that human alterations to tropical forests, that have been argued to have changed in nature and scale since the European industrial revolution of the eighteenth century and the ‘Great Acceleration’ of the 1960s, have massive implications for the planet as a whole (Malhi et al., 2014; Malhi, 2017). As a result, tropical forests are a focal political, economic, and cultural battlefield between local populations reliant upon living within them, and business and governmental interests seeking to extract from them. This chapter explores the tensions that exist in the human occupation and use of global tropical forest regions today, including the advance of urbanism and industrialization, exploitation of mineral, floral, and faunal resources by local groups and multi-national corporations, and their key position in discussions of anthropogenically induced climate change.
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