|Variable Component Type||Natural Resource Unit, Natural Resource System|
|Theme||Technology (learn about themes)|
|Question||If dams are present and affect this resource, what role do they play?|
|Select Options||Stores energy, Prevents flooding, Creates hydropower, Stores water, Disrupts local ecology|
|Importance||Dams store water and potentially pollutants. Dams can also provide for ecosystems services including recreational, aesthetics, ect.|
A dam is a barrier that retain water or underground streams. Other structures such as floodgates, levees or dikes are used to manage or prevent water flow into specific land areas.
|Case||Interaction Type||Component||Value Used||Explanation|
|Forests in Indonesia||Governance||Forests in Indonesia||Disrupts local ecology|
|Forests in Indonesia||Governance||Forests in Indonesia||Disrupts local ecology||Dams flood forests, although this is not a major cause of forest cover change|
|Galapagos Marine Reserve||Biophysical||Galapagos Sea Cucumber|
|Atlantic Bluefin Tuna (ICCAT)||Governance||Western Atlantic Bluefin Tuna|
|Atlantic Bluefin Tuna (ICCAT)||Governance||Eastern Atlantic Bluefin Tuna|
|Atlantic Bluefin Tuna (ICCAT)||Governance||Eastern Atlantic Bluefin Tuna||Not Applicable|
|Montreal Protocol||Biophysical||Ozone||Not Applicable|
|Great Barrier Reef Marine Park||Governance||GBR coral cover|
|Great Barrier Reef Marine Park||Governance||GBR coral cover||Not Applicable|
|Montreal Protocol||Biophysical||Ozone||Not Applicable|
|Great Barrier Reef Marine Park||Governance||GBR target fish|
|Great Barrier Reef Marine Park||Governance||GBR target fish||Not Applicable|
|Galapagos Marine Reserve (GMR)||Governance||Galapagos Sea Cucumber||Not Applicable|
|Macquarie Island Marine Park||Governance||Patagonian Toothfish||Not Applicable|
|Macquarie Island Marine Park||Governance||Light Mantled Albatross||Not Applicable|
|Macquarie Island Marine Park||Governance||Macquarie Island Royal Penguin||Not Applicable|
|Wakatobi National Park||Governance||Wakatobi coral cover||Not Applicable|
|Wakatobi National Park||Governance||Wakatobi fish spawning||Not Applicable|
|Wakatobi National Park||Governance||Wakatobi Green Turtle||Not Applicable|
|Northwestern Hawaiian Islands (NWHI) Marine National Monument||Governance||NWHI Lobster Fishery||Not Applicable|
|Galapagos Marine Reserve (GMR)||Governance||Galapagos Green Turtle||Not Applicable|
|Galapagos Marine Reserve (GMR)||Governance||Galapagos Sharks||Not Applicable|
|Northwestern Hawaiian Islands (NWHI) Marine National Monument||Governance||NWHI Trophic Density||Not Applicable|
|Northwestern Hawaiian Islands (NWHI) Marine National Monument||Governance||NWHI Green Turtle||Not Applicable|
|Central California National Marine Sanctuaries||Governance||California Humpback Whale||Not Applicable|
|Central California National Marine Sanctuaries||Governance||California Rocky Shores Ecosystem Health||Disrupts local ecology|
|Raja Ampat (National Act No. 32 2004)||Governance||Raja Ampat Coral Cover||Not Applicable|
|Raja Ampat (National Act No. 32 2004)||Governance||Raja Ampat Green Turtle||Not Applicable|
|Raja Ampat (National Act No. 32 2004)||Governance||Raja Ampat Reef Fish||Not Applicable|
|Central California National Marine Sanctuaries||Governance||California Groundfish Habitat||Not Applicable|
|Svalbard Nature Reserves||Governance||Svalbard Polar Bear||Not Applicable|
|Great Australian Bight Marine Park (GABMP) (Commonwealth Waters)||Governance||GABMP (Commonwealth Waters) Southern Right Whale||Not Applicable|
|Svalbard Nature Reserves||Governance||Svalbard Shrimp||Not Applicable|
|Great Australian Bight Marine Park (GABMP) (Commonwealth Waters)||Governance||GABMP (Commonwealth Waters) Southern Bluefin Tuna||Not Applicable|
|Seaflower MPA||Governance||Seaflower coral reefs||Not Applicable|
|Heard and McDonald Islands Marine Reserve||Governance||Light Mantled Albatross||Not Applicable|
|Heard and McDonald Islands Marine Reserve||Governance||King Penguin||Not Applicable|
|Great Australian Bight Marine Park (GABMP) (Commonwealth Waters)||Governance||GABMP (Commonwealth Waters) Sea Lion||Not Applicable|
|Svalbard Nature Reserves||Governance||Svalbard Kittiwake||Not Applicable|
|Seaflower MPA||Governance||Seaflower groupers||Not Applicable|
|Cenderwasih National Park||Governance||Cenderwasih coral cover||Not Applicable|
|Cenderwasih National Park||Governance||Cenderwasih target fish||Not Applicable|
|Falkland Islands squid||Governance||Patagonian squid (Loligo gahi)||Not Applicable|
|New Zealand squid||Governance||Arrow Squid (Nototodarus spp.)||Not Applicable|
|California squid||Governance||California market squid (Loligo opalescens)||Not Applicable|
|Pond aquaculture on Lombok, Indonesia||Governance||Lombok aquaculture irrigation canals||Stores water|
|Pond aquaculture on Lombok, Indonesia||Governance||Lombok aquaculture irrigation canals|
|Caete-Teperacu Extractive Reserve (RESEX) in Braganca, Brazil||Governance||Mangrove forest in Bragança, Brazil||Missing|
|Gili Trawangan Coastal Tourism||Governance||Coral reefs, coast and small-island on and surrounding Gili Trawangan, Indonesia||Not Applicable|
|Gulf of Nicoya, Costa Rica fisheries governance||Governance||Gulf of Nicoya fisheries||Missing|
|Heard and McDonald Islands Marine Reserve||Governance||Patagonian Toothfish||Not Applicable|
|Great Barrier Reef Marine Park||Governance||GBR Green Turtle||Not Applicable|
Basic:A basic variable describes essential and basic background information for a component.
Biophysical:Biophysical variables describe just that: important biophysical properties, largely of environmental commons, that are not captured by a more specific theme.
Causation:A variable with this theme describes issues of causality, which is a complex subject. Most basically this theme is associated with variables that describe different types of causation and different types of causes of environmental problems.
Context:contextual variable relates the component with which it associated to the social and/or ecological setting of a particular interaction and/or case.
Ecosystem services:Variables associated with this theme describe factors that affect or describe the provision of important ecosystem services by a natural resource.
Enforcement:Enforcement involves several different processes, including monitoring for violations of rules, sanctioning violators, and conflict resolution mechanisms involved in this process. Variables that relate to any of these processes should be attached to this theme.
External:Variables with this theme relate a component to processes external to the case with which the component is associated.
Heterogeneity:Variables with this theme describe important ways in which the member of an actor group differ from each other.
Incentives: This theme is associated with variables that are not directly related to institutions and rules, but which still play a role in affecting the incentives that commons users have to ameliorate or exacerbate the commons they use.
Institutional-biophysical linkage:This is a sub-theme of the institutions theme, and describes those variables that ask about the relationship between a set of institutions and a biophysical aspect of a commons.
Institutions:Variables with this theme describe the social institutions (rules, property rights) that are used to organize and direct human behavior. It does not include monitoring and enforcement of these institutions, as these are associated with the Enforcement theme.
Knowledge and uncertainty:Variables with this theme describe levels of knowledge that actor groups have regarding a commons, as well as factors that affect how much uncertainty there is in the status and dynamics of that commons.
Leadership:Leaders play an important role in commons management, most traditionally by providing for public goods needed to organize commons users. But there are other possible roles, and variables associated with this theme can relate to any role that a leader might play in an interaction.
Outcomes:This theme is attached to variables that deal with any outcomes that are produced by the actions of relevant actors in an interaction.
Resource renewability:Variables associated with this theme deal with the ability of a natural resource to be highly productive and renewable.
Social capital:Social capital captures the processes that enable the members of an actor group to work effectively together. Variables associated with this theme describe factors that affect or in some way express the level of social capital among members of a group.
Spatial:Variables associated with the Spatial theme describe important spatial patterns or dynamics, such as the spatial heterogeneity of a commons, or whether or not a user group resides within a particular commons.
Technology:This theme is attached to variables that consider the role that technology and infrastructure have in affecting commons outcomes.