Freshwater ecosystem use

Examples include area of wetland, ponds, lakes, streams, rivers or peatland necessary to provide ecosystem services such as water purification, fish spawning, areas of infrastructure necessary to use rivers and lakes such as bridges, dams, and flood barriers, etc.

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

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
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
Lower and poorer quality yields of commercial plant species as soils become exhausted of organic and mineral content.	The provision of vegetable fibres is diminished	Human action	Medium term	Local
Overfertilization and nutrient enrichment lead to algal overgrowth and loss in cover and diversity of habitats.	Habitat loss leads to disruption of connectivity between spawning, nursery and adult stage habitats.	Human action	Short-Mid-term	Local-Regional
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
Management of pollinators for commercial purposes, mass breeding, and trade have exacerbated the impacts of pathogens and pests on pollinator species. Further reductions in species survival.	Decreased pollination services	Human action	Short term	Local
Intensive agriculture (i.e. large homogenous fields with regular and intensive tillage, grazing, and/or mowing) and associated chemical use (e.g. pesticides such as neonicotinoids) has abroad range of lethal and sub-lethal effects on pollinator species. Pollinator habitat loss and disruption of daily activities. Higher rates of species mortality and reduced species survival. More specialised pollinator species (i.e. those that are highly dependent on a specific feature and are not adaptable) are more heavily affected by this impact.	Decreased pollination services. The magnitude of loss of pollination will depend on the presence of other more robust and adaptable species.	Human action	Short term	Local-Global
Addition of organic or inorganic matter results in changes in diversity in the soil and the microbial composition.	Alters matter composition and microbial community structure which in turn affects decomposition rate.	Human action	Short-Long term	Local-Global

Likely response	Effect of variability on services provision	Human action or natural variation	Timescale	Spatial Characteristics
Overfertilization and nutrient enrichment lead to algal overgrowth and loss in cover and diversity of habitats.	Habitat loss leads to disruption of connectivity between spawning, nursery and adult stage habitats.	Human action	Short-Mid-term	Local-Regional
Intensive agriculture (i.e. large homogenous fields with regular and intensive tillage, grazing, and/or mowing) and associated chemical use (e.g. pesticides such as neonicotinoids) has abroad range of lethal and sub-lethal effects on pollinator species. Pollinator habitat loss and disruption of daily activities. Higher rates of species mortality and reduced species survival. More specialised pollinator species (i.e. those that are highly dependent on a specific feature and are not adaptable) are more heavily affected by this impact.	Decreased pollination services. The magnitude of loss of pollination will depend on the presence of other more robust and adaptable species.	Human action	Short term	Local-Global
Addition of organic or inorganic matter results in changes in diversity in the soil and the microbial composition.	Alters matter composition and microbial community structure which in turn affects decomposition rate.	Human action	Short-Long term	Local-Global

Likely response	Effect of variability on services provision	Human action or natural variation	Timescale	Spatial Characteristics
Changes soil properties	Changes soil water retention properties thus increases susceptibility to water or wind erosion.	Human action	Short-Mid-term	Local
Addition of organic or inorganic matter results in changes in diversity in the soil and the microbial composition.	Alters matter composition and microbial community structure which in turn affects decomposition rate.	Human action	Short-Long term	Local-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
Loss of cover due to event induced tree throw. Wave action generated by winds.	Damage protective vegetation.	Natural variation	Short term	Global
Climate change driven rising temperatures, changes in rainfall patterns and an increase in extreme weather events threatens fodder crop production.	Models suggest substantial risks to the volume, volatility, and quality of animal feed supply chains despite some gains in productivity.	Human action	Long-term	Global
Rising temperatures and changing rainfall patterns creates the risk of crop failure, e.g. the 2010 Russian heatwave and the 2012 US Midwest drought.	Decreasing yields of cereals, contributing to higher food prices and a greater demand than supply.	Human action	Long-term	Global
Damage of protective vegetation and watersheds.	Saturates ecosystem, reduced water storage capacity.	Human action	Short-Long term	Global
Wave action generated by wind and intense storms damages plants and cause changes in hydrology.	Loss or damage of vegetation can cause reduction in sediment retention capacity. Storm induced tree throw exposes soil and triggers erosion.	Natural variation	Short term	Local

Likely response	Effect of variability on services provision	Human action or natural variation	Timescale	Spatial Characteristics
Decreases in the number of plants along a water course. Physical alteration of water bodies.	Reduced number of seed dispersing plants. Changes to the distance and direction of seed dispersal through water bodies, resulting in decreased seed dispersal in the case of long term flooding, or increased seed dispersal in the case of short term flooding.	Natural variation	Short term	Local
Alters biological soil community, structural properties of parent material by exposure to water.	Changes soil’s environment and modifies processes.	Human action	Long term	Local

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
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
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
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

Likely response	Effect of variability on services provision	Human action or natural variation	Timescale	Spatial Characteristics
Alters conditions: temperature, humidity, rainfall	Pollution may alter presence and conditions of urban and suburban vegetation, may diminish plants’ capacity of gas absorption.	Human action	Short-Mid-term	Global
Altered wind dynamics and the ability of wind to disperse seeds	Decreased dispersal distance of seeds by wind	Human action	Short term	Local
Microbiota are sensitive to metal pollution. Toxicity of heavy metals displaces exchangeable nutrients from binding sites.	Acid rain and pollution, acidity in air, etc. alters weathering agents in the environment (water, soil, air).	Human action	Long term	Local-Global
Suppressed rainfall in highly polluted areas due to reduced efficiency of clouds at releasing precipitation.	Decreased water balance and disrupted hydrological cycle in polluted areas	Human action	Short term	Local

Likely response	Effect of variability on services provision	Human action or natural variation	Timescale	Spatial Characteristics
Reduction in dilution service potential.	Both point and non-point source pollutants results in eutrophication and coastal economic damage, e.g. beach closures.	Human action	Short term	Coastal ecosystems
Habitat loss due to overfertilization and toxics contamination	Habitat loss due to clouding of coastal waters by sediment from run-off and toxics which leads to contamination.	Human action	Short-Mid-term	Local-Regional
Lower quality of groundwater.	Lower quality of groundwater.	Human action	Medium term	Local
Alters conditions: temperature, humidity, rainfall	Pollution may alter presence and conditions of urban and suburban vegetation, may diminish plants’ capacity of gas absorption.	Human action	Short-Mid-term	Global
Altered wind dynamics and the ability of wind to disperse seeds	Decreased dispersal distance of seeds by wind	Human action	Short term	Local
Microbiota are sensitive to metal pollution. Toxicity of heavy metals displaces exchangeable nutrients from binding sites.	Acid rain and pollution, acidity in air, etc. alters weathering agents in the environment (water, soil, air).	Human action	Long term	Local-Global
Microbiota are sensitive to metal pollution. Toxicity of heavy metals displaces exchangeable nutrients from binding sites.	Pollution inhibits litter decomposition. Decomposition is sensitive to pollution and metals contaminants at the microbial level. Metal pollution also makes plant matter difficult to decompose. May lead to algal blooms.	Human action	Short-Long term	Local-Global
Alterations to nutrient cycles and balances resulting from pollution due to human activities.	Reduced quality of water resources.	Human action	Short term	Global
Suppressed rainfall in highly polluted areas due to reduced efficiency of clouds at releasing precipitation.	Decreased water balance and disrupted hydrological cycle in polluted areas	Human action	Short term	Local
Alteration of chemical composition of salt water bodies and decreased pH of salt water.	Decreased quality of salt water.	Human action	Short term	Global
Alteration of nutrient cycles (e.g. leading to algal blooms and eutrophication), pH level, and changes to chemical composition of salt waters. Algal blooms smother sea grass. Eutrophication leads to creation of “dead zones” in the ocean, which are areas that are entirely deprived of oxygen.	Decreased chemical quality of salt water.	Human action	Short term	Local
Increases in nutrients, sediments and changes in chemical composition of freshwater bodies, decreased species survival.	Decreased chemical condition of freshwaters.	Human action	Short term	Regional

Likely response	Effect of variability on services provision	Human action or natural variation	Timescale	Spatial Characteristics
Habitat degradation and reduction or interruption of algal species’ ability to perform bio-remediation.	Decreased bio-remediation due to decreased ability of algae to perform bio-remediation.	Human action	Short term	Local
Excess nutrient loads and sunlight cause imbalances in micro algae concentrations. Harmful toxins produced by the bloom kill beneficial cyanobacteria.	Any services arising from the algae will be diminished or stopped.	Human action	Short term	Global
Reduction in the ability of habitats to filter or capture pollutants.	Decreased filtration, adsorption, or accumulation of pollutants at the ecosystem level.	Human action	Short term	Local
Habitat loss due to overfertilization and toxics contamination	Habitat loss due to clouding of coastal waters by sediment from run-off and toxics which leads to contamination.	Human action	Short-Mid-term	Local-Regional
Alters conditions: temperature, humidity, rainfall	Pollution may alter presence and conditions of urban and suburban vegetation, may diminish plants’ capacity of gas absorption.	Human action	Short-Mid-term	Global
Microbiota are sensitive to metal pollution. Toxicity of heavy metals displaces exchangeable nutrients from binding sites.	Pollution inhibits litter decomposition. Decomposition is sensitive to pollution and metals contaminants at the microbial level. Metal pollution also makes plant matter difficult to decompose. May lead to algal blooms.	Human action	Short-Long term	Local-Global
Suppressed rainfall in highly polluted areas due to reduced efficiency of clouds at releasing precipitation.	Decreased water balance and disrupted hydrological cycle in polluted areas	Human action	Short term	Local

Likely response	Effect of variability on services provision	Human action or natural variation	Timescale	Spatial Characteristics
Draught animals are rarely kept in herds, often kept apart from other animals, and are often in remote areas but may travel considerable distances and congregate in local markets. When an animal dies in the middle of a cultivation season it is difficult to borrow or hire another, because animal power is in demand. Ultimately reduced work output can be reflected in reduced farm productivity.	Service provision will decline in infected animals, e.g. cost of working oxen affected by bovine dermatophilosis in Zambia was USD 193 per affected ox.	Natural variation	Short term	Global
Contamination of manure. Degree of risk influenced by animal species, dietary sources, health status and age of the animals, physical and chemical characteristics of the manure as well as the storage facilities of the manure	Service quality degraded due to contaminated manure creating a health risk to livestock and humans	Natural variation	Short term	Global
Mortality or severe weakening of the animal	Service provision impacted by the reduction in livestock, e.g. in 1997, foot and mouth disease caused the destruction of 8 million pigs in Taiwan, costing the economy more than $25 billion.	Natural variation	Short term	Global
Pathogens spread in favourable climatic conditions, e.g. high humidity and rainfall.	Yield significantly decreased and/or quality of yield compromised due to damage to cereal grain.	Natural variation	Short term	Global
A vast number of naturally-occurring fungal, bacterial, and viral pathogens, and pests affect pollinator species. Reduction in pollinator species’ survival.	Decreased pollination services	Natural variation	Short-Mid-term	Local

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
Displacement or local extinction of biotic communities.	Alien species altering ecology of system, e.g. displacing relevant species to maintain services.	Human action	Short-Mid-term	Local
Invasive species can deviate pollinators from the plants they normally pollinate (in the case of invasive plants) or can outcompete native pollinators (in the case of invasive pollinators)	Decreased pollination services from native pollinators to native plants.	Human action	Short term	Local
Reduced species survival and reduced ability of native species to disperse seeds. Reduced ability of water bodies to effectively disperse seeds.	Decreased seed dispersal by native species, and possibly less efficient seed dispersal where invasive species replace native species. Reduced water mobility due to invasive plants, leading to reduction in seed dispersal distance by water bodies.	Human action	Short term	Local
Alteration of chemical properties of salt water bodies.	Decreased chemical quality of salt water.	Human action	Short term	Local
Altered chemical balances of freshwater bodies and competition with native species	Decreased chemical condition of freshwaters resulting from lower species diversity, loss of native species, and changes in nutrient and chemical balances.	Human action	Short term	Local-Regional

Likely response	Effect of variability on services provision	Human action or natural variation	Timescale	Spatial Characteristics
Increased populations of sea urchins lead to overgrazing of kelp	Decreased bio-remediation by kelp	Human action	Mid-Long term	Global
Species, e.g. sea urchins, which predate or act as pests for the kelp components increase in numbers.	The service provision does not stop but slows down due to reduction in quality and quantity of the asset.	Natural variation	Long term	Global
Burrs (seeds that have hooks or teeth) from burr-bearing plants, in wool contaminate fleeces, requiring more complex and expensive removal operations. Leather is also at risk from blowflies.	Service slowed down and more costly at the fleece or leather processing stage.	Natural variation	Short term	Global
Displacement or local extinction of biotic communities.	Alien species altering ecology of system, e.g. displacing relevant species to maintain services.	Human action	Short-Mid-term	Local
Invasive species can deviate pollinators from the plants they normally pollinate (in the case of invasive plants) or can outcompete native pollinators (in the case of invasive pollinators)	Decreased pollination services from native pollinators to native plants.	Human action	Short term	Local
Reduced species survival and reduced ability of native species to disperse seeds. Reduced ability of water bodies to effectively disperse seeds.	Decreased seed dispersal by native species, and possibly less efficient seed dispersal where invasive species replace native species. Reduced water mobility due to invasive plants, leading to reduction in seed dispersal distance by water bodies.	Human action	Short term	Local
Alteration of chemical properties of salt water bodies.	Decreased chemical quality of salt water.	Human action	Short term	Local
Altered chemical balances of freshwater bodies and competition with native species	Decreased chemical condition of freshwaters resulting from lower species diversity, loss of native species, and changes in nutrient and chemical balances.	Human action	Short term	Local-Regional

Drivers of environmental change:

Natural capital assets:

Species

Natural capital assets:

Species

Water

Soils and sediments

Natural capital assets:

Atmosphere

Water

Habitats

Land geomorphology

Ocean geomorphology

Soils and sediments

Natural capital assets:

Habitats

Land geomorphology

Water

Soils and sediments

Species

Natural capital assets:

Atmosphere

Habitats

Minerals

Species

Water

Land geomorphology

Soils and sediments

Natural capital assets:

Water

Atmosphere

Habitats

Natural capital assets:

Species

Natural capital assets:

Atmosphere

Water

Habitats

Soils and sediments

Species

Natural capital assets:

Minerals

Soils and sediments

Land geomorphology

Species

Natural capital assets:

Species

Natural capital assets:

Soils and sediments

Species

Natural capital assets:

Water

Species