Drivers of environmental change:
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Resistance to biological control measures | Loss of efficiency of biological control agents against plant pathogens, e.g. fungicide resistance in fungal plant pathogens. | Natural variation | Long term | Global |
Species, e.g. sea urchins, which predate or act as pests for the kelp components increase in | The service provision does not stop but slows down due to reduction in quality and quantity of the asset. | Natural variation | Long term | Global |
Control of predator populations | Food availability through a finite source of prey limits nutritional resource for predators and declines in prey will constrain predator population size too. | Natural variation | Short-Mid-term | Global |
Human-induced climate change is affecting pollinator species, mainly butterflies. Alterations in species richness and distributions. | Decreased pollination services where species are declining or moving away from areas and increased pollination in areas where species are moving to. | Human action | Short term | Local-Regional |
Increases or decreases in local species richness, resulting in increased or decreased seed dispersal | Decreased seed dispersal by native species. Specialist plants (i.e. that rely on one particular species for dispersal) will be more severely affected. | Human action | Short term | Local-Regional |
Extinction risk factors including habitat loss and microbial invasions lead to reduction in microbial populations and diversity. | Diminishes the ability of the microorganisms to consume VOCs and ventilate indoor air. | Human action | Short-Long term | Global |
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Elevated release of atmospheric contaminants is required to maximize dilution potential of the atmosphere. | The type of industrial plant influences emission heights - e.g. 1000MW fossil-fuel burning power plants have stacks up to 300 metres in height while nuclear power plants can have roof-level vents. | Human action | Long term | Global |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Alters freshwater supply and resources. | Changed habitat dynamics, reduction in stability of blue carbon habitats. | Human action | Short term | Coastal ecosystems |
Increased vulnerability to change and pollution. | Streams and rivers near newly drilled natural gas wells are vulnerable to: sediment runoff, reduced streamflow and possible contamination from introduced chemicals and the resulting wastewater. | Human action | Short term | Global |
Water quality, depth, turbidity, salinity and nutrient changes will lead to changes in plant community structure and health, and decreases or disappearance of biotic communities and habitat health and complexity. | Habitat loss leads to disruption of connectivity between spawning, nursery and adult stage habitats. Displacement or local extinction of adult populations, disrupting spawning patterns. Sedimentation due to shipping activity reduces light penetration, settlement success, survival, and diversity of habitats such as coral. | Human action | Short term | Local |
Over use by humans for agriculture, energy generation, other non-drinking purposes, and other industries leads to decrease in water flow and volume. | Decrease in surface water provision. Unless water is returned in equal volumes to water bodies after abstraction, then the volume of surface water provided through water bodies will be reduced by the amount that is not returned. | Human action | Short term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Strong wave action by boats | Coastal systems such as mangrove forests could be damaged. | Human action | Short term | Local |
Land use change alters sediment supply causing state change in asset | Carbon burial in marine sediments is reduced; carbon emissions increased | Human action | Short term | Coastal ecosystems |
Industrial activities and construction cause land use change and exposes upper soil layer resulting in loss of soil organic carbon. | Soil drainage increases aeration. Soil microorganism respiration rates therefore increase. Soil no longer accumulates soil organic carbon but becomes CO2 source. | Human action | Short term | Global |
Coastal systems such as mangrove forests could be damaged. | Reduction of storm attenuation capacity. | Human action | Short term | Local |
Water quality, depth, turbidity, salinity and nutrient changes will lead to changes in plant community structure and health, and decreases or disappearance of biotic communities and habitat health and complexity. | Habitat loss leads to disruption of connectivity between spawning, nursery and adult stage habitats. Displacement or local extinction of adult populations, disrupting spawning patterns. Sedimentation due to shipping activity reduces light penetration, settlement success, survival, and diversity of habitats such as coral. | Human action | Short term | Local |
Strong wave action by boats. Loss of sand through mining, development and coastal structures. Disturbance of vegetation. | Damage of coastal ecosystems such as mangrove forests and loss of dunes and natural beaches results in reduction of sediment retention and erosion control. | Human action | Short term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Strong wave action by boats | Coastal systems such as mangrove forests could be damaged. | Human action | Short term | Local |
Strong wave action by boats. Loss of sand through mining, development and coastal structures. Disturbance of vegetation. | Damage of coastal ecosystems such as mangrove forests and loss of dunes and natural beaches results in reduction of sediment retention and erosion control. | Human action | Short term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Leads to coastal hardening. | Impacts how quickly and efficiently pollutants are diluted | Human action | Short term | Global |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Strong wave action by boats | Coastal systems such as mangrove forests could be damaged. | Human action | Short term | Local |
Land use change alters sediment supply causing state change in asset | Carbon burial in marine sediments is reduced; carbon emissions increased | Human action | Short term | Coastal ecosystems |
Industrial activities and construction cause land use change and exposes upper soil layer resulting in loss of soil organic carbon. | Soil drainage increases aeration. Soil microorganism respiration rates therefore increase. Soil no longer accumulates soil organic carbon but becomes CO2 source. | Human action | Short term | Global |
Strong wave action by boats. Loss of sand through mining, development and coastal structures. Disturbance of vegetation. | Damage of coastal ecosystems such as mangrove forests and loss of dunes and natural beaches results in reduction of sediment retention and erosion control. | Human action | Short term | Local |
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Conversion of wetlands for commercial purposes and resource extraction leads to loss of regional climate regulating function. | Conversion of wetlands causes the average temperature to increase by 0.77?C in all four seasons. | Human action | Medium term | Global |
Lower species mobility, thus decreased ability to disperse seeds. Altered wind and hydrological processes within a given area will affect how far seeds are dispersed. | Decreased seed dispersal by animals | Human action | Short-Mid-term | Global |
Declines in pollinator populations due to reduced access to food and nesting resources (16.5 % of vertebrate pollinator species are threatened with global extinction; in Europe, 9% of bee and butterfly species are threatened, and populations of 37% of bees and 31% of butterflies are declining) | Decreased pollination services during the peak period of pollination (i.e. spring for most crops in temperate zones). 5-8 % of global crop production would be lost if pollination services ceased. | Human action | Short term | Regional |
Changes in intensity and extension. | Vegetation alteration can degrade or cause loss of service. | Human action | Short term | Local |
Deforestation, loss of biological community. | Alters biological, mechanical and chemical weathering processes. Type of land use determines type of disturbance (tillage, agrochemicals, fertilizers, excrements, etc.) changes soil properties. | Human action | Long term | Local |
Changes to the way water flows through landscapes | Increased or decreased availability of water at the local and landscape level. | Human action | Short term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Habitat degradation and loss of plant species, thus reducing the number of plants available to perform phyto-remediation. | Decreased ability of plants to perform phyto-remediation. | Human action | Short term | Local |
Land use change alters sediment supply causing state change in asset | Carbon burial in marine sediments is reduced; carbon emissions increased | Human action | Short term | Coastal ecosystems |
Deforestation reduces tree density and diversity | Evapotranspiration decreases, more ground surface exposed increasing albedo and climate warming | Human action | Medium term | Tropics |
Conversion of wetlands for commercial purposes and resource extraction leads to loss of regional climate regulating function. | Conversion of wetlands causes the average temperature to increase by 0.77?C in all four seasons. | Human action | Medium term | Global |
Forests converted to cultivated land causes removal of above ground biomass. | Increase in carbon emissions. | Human action | Short term | Tropical forests |
Deforestation, reduction in vegetation cover | Decreases stability and resistance of topsoil. No barriers for buffering and attenuation. | Human action | Short-Mid-term | Local |
Deforestation, reduction in vegetation cover | Decreases stability and resistance of top-soil. Reduction of erosion control. | Human action | Short-Mid-term | Local |
Forest edges opened up, exposing humans to new diseases from previously uncontacted pathogens | Service provision weakens as there are no factors present for the regulation of the disease transmission cycle | Human action | Short term | Developing countries |
Deforestation, road construction, agricultural encroachment, dam building, irrigation, coastal zone degradation, wetland modification, mining, and urbanisation | Complex and interlinked response in asset-service system. Interruption of the natural regulation of habitat for disease hosts results in increased exposure of humans to infectious disease | Human action | Short-Long term | Global |
Higher water turbidity (from sediment loading) leads to decreased light availability for photosynthesis. | There has been a loss of canopy-forming algae (up to 70 %) on parts of the Adelaide metropolitan coast since major urbanisation. | Human action | Long term | Coastal ecosystems |
The transition from natural to artificial coastal habitat dramatically changes species diversity while overall species abundance remains the same | Changes in species diversity will alter habitat composition and could introduce unwanted effects for marine algae such as increase in predators or diseases. This will reduce the quantity and quality of quality of algal-based agricultural materials. | Human action | Medium term | Global |
The supply of wood for pulp and wood ash is decreasing as a result of deforestation and unsustainable logging. | Timber plantations expand into natural forests. Models suggest deforestation over degradation in response to market demands resulting in eventual exhaustion of the supply. | Human action | Short term | Global |
There is a strong impact of land use on species composition. For example human land uses and secondary vegetation in an early stage of recovery are poor at retaining the species that characterise pristine (untouched) vegetation. | This loss can impact on fibre production (e.g., cotton) and other wild sourced fibres as land is consumed for other uses. | Human action | Short-Mid-term | Global |
There is a strong impact of land use on species composition. For example human land uses and secondary vegetation in an early stage of recovery are poor at retaining the species that characterise pristine (untouched) vegetation. | This loss can impact on animal material production and as agricultural land is consumed for other uses. | Human action | Short-Mid-term | Global |
Reduction in the habitats available to perform filtration and sequestration. | Decreased ability to perform filtration and sequestration of pollutants at the ecosystem level (e.g. resulting from draining of key habitats such as wetlands, raised and blanket bogs; and from reclamation of marine habitats such as saltmarshes). | Human action | Short term | Local |
Reduction or complete destruction of vegetation cover, modification of hydrological regime. | Damage and loss of protective vegetation reduces flood attenuation capacity. Changes in river flow alter extent, duration and frequency of floodplain inundation. | Human action | Short-Mid-term | Local |
Freshwater diversion from estuarine areas | Habitat loss leads to disruption of connectivity between spawning, nursery and adult stage habitats. | Human action | Short-Mid-term | Local-Regional |
Changes in intensity and extension. | Vegetation alteration can degrade or cause loss of service. | Human action | Short term | Local |
Changes in intensity and extension. | Type of land use determine types of disturbance (tillage, agrochemicals, fertilizers, excrements, etc.) and changes soil properties and water flow rates. | Human action | Short term | Local |
Increase in non-native species | Changes in habitat characteristics facilitate non-native species which can outcompete native species creating more opportunities for pests. | Human action | Long term | Global |
Changes to the way water flows through landscapes | Increased or decreased availability of water at the local and landscape level. | Human action | Short term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Deforestation, loss of biological community. | Alters biological, mechanical and chemical weathering processes. Type of land use determines type of disturbance (tillage, agrochemicals, fertilizers, excrements, etc.) changes soil properties. | Human action | Long term | Local |
Alters water flow and availability, and rock structure and topographic characteristics which alter soil composition. | Changing decomposition and fixation processes | Human action | Short term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Habitat degradation and loss of plant species, thus reducing the number of plants available to perform phyto-remediation. | Decreased ability of plants to perform phyto-remediation. | Human action | Short term | Local |
Alters freshwater supply and resources. | Changed habitat dynamics, reduction in stability of blue carbon habitats. | Human action | Short term | Coastal ecosystems |
Forests converted to cultivated land causes removal of above ground biomass. | Increase in carbon emissions. | Human action | Short term | Tropical forests |
Policies on human population movements lead to increase in contact between humans and disease hosts | Transmission capacity of disease vectors unregulated by natural habitat and competition therefore disease transmission increased to humans | Human action | Short term | Global |
The transition from natural to artificial coastal habitat dramatically changes species diversity while overall species abundance remains the same | Changes in species diversity will alter habitat composition and could introduce unwanted effects for marine algae such as increase in predators or diseases | Human action | Medium term | Global |
The transition from natural to artificial coastal habitat dramatically changes species diversity while overall species abundance remains the same | Changes in species diversity will alter habitat composition and could introduce unwanted effects for marine algae such as increase in predators or diseases. This will reduce the quantity and quality of quality of algal-based agricultural materials. | Human action | Medium term | Global |
The supply of wood for pulp and wood ash is decreasing as a result of deforestation and unsustainable logging. | Timber plantations expand into natural forests. Models suggest deforestation over degradation in response to market demands resulting in eventual exhaustion of the supply. | Human action | Short term | Global |
There is a strong impact of land use on species composition. For example human land uses and secondary vegetation in an early stage of recovery are poor at retaining the species that characterise pristine (untouched) vegetation. | This loss can impact on fibre production (e.g., cotton) and other wild sourced fibres as land is consumed for other uses. | Human action | Short-Mid-term | Global |
There is a strong impact of land use on species composition. For example human land uses and secondary vegetation in an early stage of recovery are poor at retaining the species that characterise pristine (untouched) vegetation. | This loss can impact on animal material production and as agricultural land is consumed for other uses. | Human action | Short-Mid-term | Global |
Reduction in the number of plants available to perform filtration and sequestration. | Decreased filtration and sequestration of pollutants by plants. | Human action | Short term | Local |
Freshwater diversion from estuarine areas | Habitat loss leads to disruption of connectivity between spawning, nursery and adult stage habitats. | Human action | Short-Mid-term | Local-Regional |
Lower species mobility, thus decreased ability to disperse seeds. Altered wind and hydrological processes within a given area will affect how far seeds are dispersed. | Decreased seed dispersal by animals | Human action | Short-Mid-term | Global |
Declines in pollinator populations due to reduced access to food and nesting resources (16.5 % of vertebrate pollinator species are threatened with global extinction; in Europe, 9% of bee and butterfly species are threatened, and populations of 37% of bees and 31% of butterflies are declining) | Decreased pollination services during the peak period of pollination (i.e. spring for most crops in temperate zones). 5-8 % of global crop production would be lost if pollination services ceased. | Human action | Short term | Regional |
Changes in intensity and extension. | Vegetation alteration can degrade or cause loss of service. | Human action | Short term | Local |
Changes in intensity and extension. | Type of land use determine types of disturbance (tillage, agrochemicals, fertilizers, excrements, etc.) and changes soil properties and water flow rates. | Human action | Short term | Local |
Increase in non-native species | Changes in habitat characteristics facilitate non-native species which can outcompete native species creating more opportunities for pests. | Human action | Long term | Global |
Deforestation, loss of biological community. | Alters biological, mechanical and chemical weathering processes. Type of land use determines type of disturbance (tillage, agrochemicals, fertilizers, excrements, etc.) changes soil properties. | Human action | Long term | Local |
Terrestrial vegetation lost and transpiration decreases. | Cooling and ventilation effect is lost and regional climate permanently altered. | Human action | Long term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Alters freshwater supply and resources. | Changed habitat dynamics, reduction in stability of blue carbon habitats. | Human action | Short term | Coastal ecosystems |
Conversion of wetlands for commercial purposes and resource extraction leads to loss of regional climate regulating function. | Conversion of wetlands causes the average temperature to increase by 0.77?C in all four seasons. | Human action | Medium term | Global |
Certain non-fossil aquifers are no longer being replenished due to alterations made to land cover, meaning that if groundwater is abstracted aquifers will be depleted. | Loss of groundwater provision on a local basis. | Human action | Medium term | Local |
Freshwater diversion from estuarine areas | Habitat loss leads to disruption of connectivity between spawning, nursery and adult stage habitats. | Human action | Short-Mid-term | Local-Regional |
Lower species mobility, thus decreased ability to disperse seeds. Altered wind and hydrological processes within a given area will affect how far seeds are dispersed. | Decreased seed dispersal by animals | Human action | Short-Mid-term | Global |
Declines in pollinator populations due to reduced access to food and nesting resources (16.5 % of vertebrate pollinator species are threatened with global extinction; in Europe, 9% of bee and butterfly species are threatened, and populations of 37% of bees and 31% of butterflies are declining) | Decreased pollination services during the peak period of pollination (i.e. spring for most crops in temperate zones). 5-8 % of global crop production would be lost if pollination services ceased. | Human action | Short term | Regional |
Changes in intensity and extension. | Vegetation alteration can degrade or cause loss of service. | Human action | Short term | Local |
Alters water flow, rock structure, topographic characteristics which alter soil composition | Changing decomposition and fixation processes. | Human action | Long term | Local |
Alters water flow and availability, and rock structure and topographic characteristics which alter soil composition. | Changing decomposition and fixation processes | Human action | Short term | Local |
Disturbance of natural water flows and sedimentation in catchments leading to geophysical alterations of water bodies Water flow will increase or decrease depending on local conditions. | Increase or decrease in provision of surface water. If a certain volume of water is removed for industrial use and is not returned afterwards, then the total volume of surface water in will be decreased by that volume. Increased sedimentation cuts light to animals, leads to nutrient blooms and loss of oxygen. | Human action | Short term | Local |
Anthropogenic climate change is leading to severe decreases in water flows and alterations to the geological characteristics of water bodies (e.g. desiccation of entire rivers). | Decrease in surface water provision. | Human action | Long term | Local-Regional-Global |
Changes to the way water flows through landscapes | Increased or decreased availability of water at the local and landscape level. | Human action | Short term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Diversion of drainage furrows, waterways, dam by washes, etc. | Run-off concentration. Increase soil break up and vulnerability to erosion leading to loss of service. | Human action | Short-Mid-term | Local |
Increase slope length and/or steepness | Slope increase causes increase in speed, power and depth of the runoff carrying more soil with it. Influence nature of the soil making it more susceptible to erosion. | Human action | Short-Mid-term | Local |
Deforestation, loss of biological community. | Alters biological, mechanical and chemical weathering processes. Type of land use determines type of disturbance (tillage, agrochemicals, fertilizers, excrements, etc.) changes soil properties. | Human action | Long term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Land use change alters sediment supply causing state change in asset | Carbon burial in marine sediments is reduced; carbon emissions increased | Human action | Short term | Coastal ecosystems |
Wetland drainage and peat harvesting causes land use change and exposes upper soil layer resulting in loss of soil organic carbon. | Wetland drainage increases soil aeration. Soil microorganism respiration rates therefore increase. Wetlands no longer accumulate soil organic carbon but become CO2 sources. | Human action | Short term | Global |
Diversion of drainage furrows, waterways, dam by washes, etc. | Run-off concentration. Increase soil break up and vulnerability to erosion leading to loss of service. | Human action | Short-Mid-term | Local |
Diversion of drainage furrows, waterways, dam by washes, etc. | Run-off concentration. Increased soil break up and vulnerability to water erosion. | Human action | Short-Mid-term | Local |
Alters water flow, rock structure, topographic characteristics which alter soil composition | Changing decomposition and fixation processes. | Human action | Long term | Local |
Alters water flow and availability, and rock structure and topographic characteristics which alter soil composition. | Changing decomposition and fixation processes | Human action | Short term | Local |
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Eradication of predator populations by use of insecticides, different crop rotation practices or removal by other means, e.g. hunting | Explosion in pest (prey) populations due to predator absence | Human action | Short term | Global |
Reduction in the population numbers of seed dispersing species. | Decreased seed dispersal by animals. | Human action | Short term | Local-Regional |
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Displaces or reduces population of biota. Also reduces thickness of soil water films and inhibits enzymes. | Disturbance of biotic and abiotic factors pose environmental constraints that can temporarily or indefinitely affect decomposition sensitivity. Changes soil’s environment, modifying processes. | Human action | Long term | Local |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Displaces or reduces population of biota. Also reduces thickness of soil water films and inhibits enzymes. | Disturbance of biotic and abiotic factors pose environmental constraints that can temporarily or indefinitely affect decomposition sensitivity. Changes soil’s environment, modifying processes. | Human action | Long term | Local |
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Spills of cultured algae (from aquaculture farms) into natural ecosystems introduces genetic mutations and destroys native algal species in aquatic systems. | The service will be compromised in the long term by introduction of genetic uniformity and mutations. | Human action | Long-term | Aquatic environments |
Breeding programmes focused on a subset of crops/genetic material reduces overall diversity of plant genetic material. | Genetic uniformity causes defective genetic material and poorer quality of plant, animal or algal resources. | Human action | Long term | Global |
The consumption of GM foods containing antibiotic resistance can facilitate gene transfer to microbes in the gut and to pathogens in the environment. | Evolution of resistance to animal and human antibiotics over time. | Human action | Long term | Global |
Reduction in pollinator species’ survival. Genetically modified herbicide tolerant crops are associated with a reduction in the number of surrounding weeds beneficial for pollinators, resulting in loss of pollinator habitat. | Decreased pollination services. | Human action | Short term | Local |
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Changes in sediment regime. | Sedimentation causes reservoir infill and a reduction in sediment supply downstream to create wetland features | Human action | Long term | Aquatic environments |
The sealing of soils by urban construction in urban areas modifies the local climate. | Vegetation no longer regulates climate, leading to even higher temperatures. | Human action | Short term | Urban areas |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
The sealing of soils by urban construction in urban areas modifies the local climate. | Vegetation no longer regulates climate, leading to even higher temperatures. | Human action | Short term | Urban areas |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
The sealing of soils by urban construction in urban areas modifies the local climate. | Vegetation no longer regulates climate, leading to even higher temperatures. | Human action | Short term | Urban areas |
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Marine resources (fishmeal and fish oil in the use of aqua feeds) potentially exhausted by over use and under supply | Poorly nourished fish in aquaculture farms. | Human action | Long-term | Global |
Physical destruction and alteration of the habitat. | Habitat loss leads to disruption of connectivity between spawning, nursery and adult stage habitats. Dynamite destroys and kills habitats/organisms. Hydraulic dredging damages fauna and kills animals by heat. Seabed trawling creates turbidity, which kills larvae, eliminates coral and destroys nurseries. | Human action | Short-Mid-term | Local-Regional |
Reduction in the population numbers of seed dispersing species. | Decreased seed dispersal by animals. | Human action | Short term | Local-Regional |
Natural capital assets:
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Timber and wood harvesting leads to a reduction in standing timber biomass and exposes upper soil layer. | Soil organic carbon declines rapidly under cultivation, e.g. woodland conversion results in soil degradation, erosion and loss of organic matter, diminishing the soil potential to sequester carbon. | Human action | Long term | Global |
Stump and root harvesting as a source of woody biomass for bioenergy generation leads to soil disturbance. | Stump harvesting causes existing soil organic carbon to become mineralised, leading to carbon loss as carbon dioxide, e.g. 1 tonne carbon per hectare per year might be lost compared with sites undisturbed by stump harvesting operations. | Human action | Short term | Global |
Likely response | Effect of variability on services provision | Human action or natural variation | Timescale | Spatial Characteristics |
---|---|---|---|---|
Timber and wood harvesting leads to a reduction in standing timber biomass and exposes upper soil layer. | Soil organic carbon declines rapidly under cultivation, e.g. woodland conversion results in soil degradation, erosion and loss of organic matter, diminishing the soil potential to sequester carbon. | Human action | Long term | Global |
Stump and root harvesting as a source of woody biomass for bioenergy generation leads to soil disturbance. | Stump harvesting causes existing soil organic carbon to become mineralised, leading to carbon loss as carbon dioxide, e.g. 1 tonne carbon per hectare per year might be lost compared with sites undisturbed by stump harvesting operations. | Human action | Short term | Global |
Illegal overexploitation causes population declines in wild animal species, e.g. 95% of respondents to a survey in Madagascar have eaten at least one protected forest animal species (and nearly 45% have eaten more than 10). Legal overexploitationbelow causes population declines in wild animal species but regulated trade cause less extreme changes in wild species populations. | Reduced species abundance and diversity | Human action | Short term | Global |
General unsustainable use for many reasons. Including illegal trade in plant materials / fibre (high value timber for example) | The provision of vegetable fibres is diminished | Human action | Short term | Local |
Reduced species survival and population declines due to lower food availability | Decreased seed dispersal by animals | Human action | Short term | Local-Regional |