ACCOUNTING TOOL FOR MEASURING ECOSYSTEM SERVICE FUNCTIONAL PERFORMANCE AT A PARTICULAR SITE
First Claim
1. An accounting method for measuring ecological condition of a particular site, the method comprising:
- (a) identifying substantially homogeneous habitats within a particular site and dividing the site into individual map units that correspond to substantially homogeneous habitat types;
(b) collecting data based on physical (abiotic) and biological (biotic) habitat functions of each substantially homogeneous habitat type of the individual map units to ascertain performance indicators (PI) of both abiotic and biotic functions for each map unit;
(c) collecting data for each PI according to defined quantitative and/or qualitative ranges that correspond to look-up tables for both abiotic and biotic functions that contain scoring information for each PI'"'"'s ability to perform the relevant habitat functions;
(d) scoring each PI via the look-up tables;
(e) calculating abiotic and biotic functional performance values (FP) for each abiotic and biotic habitat function by summing the scores from the look-up tables for each respective type PI and dividing the sum by the number of PIs of the type (abiotic or biotic);
(f) calculating an average abiotic functional performance (FPA) by averaging the abiotic FPs performed by the PIs within each map unit;
(g) calculating an average biotic functional performance (FPB) by functional performance by averaging the abiotic FPs performed by the PIs within each map unit(h) calculating an overall functional performance value (FP′
) for each map unit by averaging the FPA and the FPB of each map unit;
(i) summing the total of each FP′
for each map unit to derive a measure of functional performance value (MFP) of the site.
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Abstract
An accounting method to measure ecological value (or measurement of functional performance) of a particular site that divides the site into individual map units as determined by the number of substantially homogenous habitats found at the site. Habitat functions are determined per individual map unit. Performance indicators, such as habitat structures, physical and biological features, and other components, are identified and collected according to predefined ranges in the field or from actual site data. The values of performance indicators are assessed or scored based on collected data using look-up tables to create an indicator of functional performance. The indicator of functional performance is inputted into formulas to derive a measurement of functional performance at the individual map unit and the overall site. The accounting method of the present invention can also calculate ecological change at a particular site by calculating initial or baseline site values and a projected future value based on a particular projected modification (e.g., restoration or development) at the site and effects the modification may have over a period of time (e.g., 20 years). The difference between the future and the baseline values, whether a credit (uplift) or debit (impact or site degradation), can then be used in diverse applications, such as mitigation banking, ecological exchanges, registries, or as part of business or government decision/policy making.
4 Citations
15 Claims
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1. An accounting method for measuring ecological condition of a particular site, the method comprising:
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(a) identifying substantially homogeneous habitats within a particular site and dividing the site into individual map units that correspond to substantially homogeneous habitat types; (b) collecting data based on physical (abiotic) and biological (biotic) habitat functions of each substantially homogeneous habitat type of the individual map units to ascertain performance indicators (PI) of both abiotic and biotic functions for each map unit; (c) collecting data for each PI according to defined quantitative and/or qualitative ranges that correspond to look-up tables for both abiotic and biotic functions that contain scoring information for each PI'"'"'s ability to perform the relevant habitat functions; (d) scoring each PI via the look-up tables; (e) calculating abiotic and biotic functional performance values (FP) for each abiotic and biotic habitat function by summing the scores from the look-up tables for each respective type PI and dividing the sum by the number of PIs of the type (abiotic or biotic); (f) calculating an average abiotic functional performance (FPA) by averaging the abiotic FPs performed by the PIs within each map unit; (g) calculating an average biotic functional performance (FPB) by functional performance by averaging the abiotic FPs performed by the PIs within each map unit (h) calculating an overall functional performance value (FP′
) for each map unit by averaging the FPA and the FPB of each map unit;(i) summing the total of each FP′
for each map unit to derive a measure of functional performance value (MFP) of the site. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14)
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10. An accounting method for measuring ecological change of a particular site;
- the system comprising;
(a) creating a baseline ecological value at a particular site comprising (i) identifying substantially homogeneous habitats within a particular site and dividing the site into individual map units that correspond to substantially homogeneous habitat types; (ii) collecting data based on physical (abiotic) and biological (biotic) habitat functions of each substantially homogeneous habitat type of the individual map units to ascertain performance indicators (PI) of both abiotic and biotic functions for each map unit; (iii) collecting data for each PI according to defined quantitative and/or qualitative ranges that correspond to look-up tables for both abiotic and biotic functions that contain scoring information for each PI'"'"'s ability to perform the relevant habitat functions; (iv) scoring each PI via the look-up tables; (v) calculating abiotic and biotic functional performance values (FP) for each abiotic and biotic habitat function by summing the scores from the look-up tables for each respective type PI and dividing the sum by the number of PIs of the type (abiotic or biotic); (vi) calculating an average abiotic functional performance (FPA) by averaging the abiotic FPs performed by the PIs with each map unit; (vii) calculating an average biotic functional performance (FPB) by functional performance by averaging the abiotic FPs performed by the PIs with each map unit (viii) calculating an overall functional performance value (FP′
) for each map unit by averaging the FPA and the FPB of each map unit;(ix) summing the total of individual FP′
for each map unit to derive a measure of functional performance value (MFP) of the site;(b) creating an ecological value of a particular site in a set future time based on a future projection after a site modification project has been implemented comprising (i) identifying substantially homogeneous habitats within a particular site and dividing the site into individual map units that correspond to substantially homogeneous habitat types;
all based on planned future condition;(ii) collecting data based on projected future physical (abiotic) and biological (biotic) habitat functions of each substantially homogeneous habitat type of the future condition individual map units to ascertain future performance indicators (PIF) of both abiotic and biotic functions for each map unit; (iii) collecting data for each PIF according to defined quantitative and/or qualitative ranges that correspond to look-up tables for both abiotic and biotic functions that contain scoring information for each PIF'"'"'s ability to perform the relevant habitat functions; (iv) scoring each PIF via the look-up tables; (v) calculating future abiotic and biotic functional performance values (FPF) for each abiotic and biotic habitat function by summing the scores from the look-up tables for each respective type PIF and dividing the sum by the number of PIFs of each future map unit; (vi) calculating a future average abiotic functional performance (FPAF) by averaging the abiotic FPFs performed by the PIFs within each future map unit; (vii) calculating a future average biotic functional performance (FPBF) by functional performance by averaging the abiotic FPFs performed by the PIFs with each future map unit (viii) calculating a future overall functional performance value (FPF′
) for each future map unit by averaging the FPAF and the FPBF of each future map unit;(ix) summing the total of each FPF′
for each future map unit to derive a future measure of functional performance value (MFPF) of the site;and (c) calculating the benefit or detriment to the particular site based on the difference between the future measure of functional performance (MFPF) and the baseline measure of functional performance (MFP) to arrive a measurement of functional change (MFC) of a particular site. - View Dependent Claims (11)
- the system comprising;
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15. One or more computer readable storage medium having encoded thereon computer executable instructions for performing a method of measuring ecological condition of a particular site, the method comprising:
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(a) identifying substantially homogeneous habitats within a particular site and dividing the site into individual map units that correspond to substantially homogeneous habitat types; (b) collecting data based on physical (abiotic) and biological (biotic) habitat functions of each substantially homogeneous habitat type of the individual map units to ascertain performance indicators (PI) of both abiotic and biotic functions for each map unit; (c) collecting data for each PI according to defined quantitative and/or qualitative ranges that correspond to look-up tables for both abiotic and biotic functions that contain scoring information for each PI'"'"'s ability to perform the relevant habitat functions; (d) scoring each PI via the look-up tables; (e) calculating abiotic and biotic functional performance values (FP) for each abiotic and biotic habitat function by summing the scores from the look-up tables for each respective type PI and dividing the sum by the number of PIs within the map unit; (f) calculating an average abiotic functional performance (FPA) by averaging the abiotic FPs performed by the PIs within each map unit; (g) calculating an average biotic functional performance (FPB) by functional performance by averaging the abiotic FPs performed by the PIs with each map unit (h) calculating an overall functional performance value (FP′
) for each map unit by averaging the FPA and the FPB of each map unit; and(i) summing the total of each FP′
for each map unit to derive a measure of functional performance value (MFP) of the site;
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Specification