Table 4.3
Annual ecosystem service flows, by land cover type
and selected land cover compilation, Thousand Islands National Park
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| Area-weighted average value per hectare 2 | Land cover compilation | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Troy and Bagstad GIS, 15 m, 2008 | AAFC land cover, 30 m, 2011 | CCRS land cover, 250 m, 2011 | SOLRIS, 15 m, 2008 | MEGS geospatial database, 250 m 1, 2011 | Parks Canada LANDSAT-TM, 30 m, 2007 | ||||||||
| land cover | valuation 3 | land cover | valuation | land cover | valuation | land cover | valuation | land cover | valuation | land cover | valuation | ||
| dollars | percent | dollars | percent | dollars | percent | dollars | percent | dollars | percent | dollars | percent | dollars | |
| Total | 100.0 | 14,669,989 | 100.0 | 13,793,498 | 100.0 | 14,192,366 | 100.0 | 13,611,446 | 100.0 | 14,030,681 | 100.0 | 12,492,976 | |
| Forest | 4,776 | 68.9 | 7,334,476 | 82.0 | 8,733,404 | 76.8 | 8,170,562 | 71.7 | 7,629,237 | 71.9 | 7,655,654 | 82.4 | 8,775,725 |
| Shrubland 4 | 0 | 0.0 | 0 | 1.2 | 0 | 1.4 | 0 | 0.0 | 0 | 1.4 | 0 | 3.3 | 0 |
| Grassland | 377 | 0.8 | 7,049 | 0.0 | 0 | 5.9 | 49,210 | 0.0 | 0 | 8.3 | 69,541 | 0.0 | 0 |
| Barrenland 5 | 0 | 0.0 | 0 | 0.3 | 0 | 0.0 | 0 | 10.1 | 0 | 0.0 | 0 | 0.0 | 0 |
| Wetland | 15,908 | 18.5 | 6,557,799 | 11.3 | 3,994,971 | 5.1 | 1,794,411 | 16.2 | 5,757,333 | 11.0 | 3,890,792 | 10.0 | 3,551,735 |
| Cropland and field | 151 | 8.7 | 29,176 | 1.8 | 6,004 | 1.1 | 3,799 | 0.7 | 2,197 | 0.6 | 2,111 | 1.7 | 5,593 |
| Built-up 6 | 0 | 1.3 | 0 | 0.9 | 0 | 0.0 | 0 | 0.8 | 0 | 1.1 | 0 | 2.2 | 0 |
| Water snow ice | 19,081 | 1.7 | 741,489 | 2.5 | 1,059,119 | 9.8 | 4,174,384 | 0.5 | 222,679 | 5.7 | 2,412,584 | 0.4 | 159,923 |
Base layer of the geodatabase is 250 m;
additional datasets improve overall resolution.
The Troy and Bagstad (2009) report estimated
EGS monetary values by land cover; however, their categories differ from the
land cover classes used in the MEGS project. For this reason, area-weighted
averages of the Troy and Bagstad monetary values were applied to the various
MEGS land cover types, from each land cover compilation.
These valuation estimates are based on the
land cover categories and values per hectare compiled by Troy and Bagstad
(2009) and are not as sensitive to land cover concordance and roll-up limitations
as the other land cover compilation sources used in this analysis.
Shrubland does not exist as a distinct land
cover class in the Troy and Bagstad (2009) report and monetary values are
not provided for this land class. As a result, the total monetary valuation
may be underestimated for the AAFC, CCRS, MEGS geospatial database and the
Parks Canada LANDSAT-TM land cover compilations, which did attribute a proportion
of the land cover to shrubland.
Barrenland does not exist as a distinct land
cover class in the Troy and Bagstad (2009) report and monetary values are
not provided for this land class. As a result, the total monetary valuation
may be underestimated for the AAFC and the SOLRIS land cover compilations,
which did attribute a proportion of the land cover to barrenland.
Built-up areas (including greenspace) were
not valued; this land class was considered inappropriate for a study in a
National Park.
Note(s):
Monetary values, in 2012 Canadian dollars, represent annual
flows of EGS per year and exclude real-estate values. Monetary estimates are
associated only with the Thousand Islands National Park area. The value of
these EGS is an underestimate since some EGS were not assessed for each land
cover type in the Troy and Bagstad (2009) study, due to the lack of relevant
studies for benefit transfer.
Source(s):
Troy, A. and K. Bagstad, 2009, Estimating Ecosystem Services
in Southern Ontario, Ontario Ministry of Natural Resources. Agriculture
and Agri-Food Canada, 2012, 2011 AAFC Crop Type Map of Canada
, ftp://ftp.agr.gc.ca/pub/outgoing/aesb-eos-gg/Crop_Inventory/2011/
(accessed October 9, 2012). Natural Resources Canada, 2012,
Canada 250m Land Cover Time Series 2000-2011, Earth Sciences
Sector, Canada Centre for Remote Sensing, ftp://ftp.ccrs.nrcan.gc.ca/ad/Pouliot/LCTS/LCTS_V1/ (accessed
May 8, 2013). Ontario Ministry of Natural Resources, Science and
Information Branch, 2008, Southern Ontario Land Resource Information
System (SOLRIS). Statistics Canada, Environment Accounts and Statistics
Division, 2013, special tabulation. Parks Canada, Natural Resource Conservation, 2012,
special tabulation, Land Cover Map of the Greater Thousand Islands National
Park Ecosystem using Landsat Thematic Mapper and Random Forest Models, LANDSAT 5.
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