Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 8
Chapter 9
Chapter 10
Appendix C
Main
06/26/98 Draft Report
Process for Establishing Goals
Key Species and Communities
Key Habitats of the Baylands Ecosystem
Baylands Habitats, Past and Present
Technical Considerations for Habitat Restoriation
Monitoring and Research
Implementation Issues
PDF Version
San Francisco Estuary Baylands Ecosystem Goals Draft Report for Public Review June 26, 1998 |
| Table 1: Past and Present Habitat Acreages for the Project Area |  |
|---|
| Habitat Type | Historical (ca. 1770 -1820) acres |
Modern (ca. 1997) acres |
% Change +/- |
|---|---|---|---|
| Bays | |||
| Deep Bay or Channel | 99,529 | 82,519 | -17% |
| Shallow Bay or Channel | 174,442 | 171,804 | -2% |
| Total | 273,972 | 254,323 | -7% |
| Baylands | |||
| Tidal Flat | 50,469 | 29,147 | -42% |
| Tidal Marsh | 187,072 | 34,244 | -82% |
| Muted Tidal Marsh | 2,859 | 6,159 | 115% |
| Lagoon | 84 | 2,325 | 2663% |
| Diked Marsh | 9,202 | ||
| Managed Marsh | 53,814 | ||
| Farmed Bayland | 24,381 | ||
| Grazed Bayland | 7,358 | ||
| Ruderal Bayland | 3,482 | ||
| Salt Pond | 1,594 | 25,182 | 1480% |
| Crystallizer | 1,907 | ||
| Managed Saline Pond | 9,649 | ||
| Treatment Pond | 4,535 | ||
| Bay Fill | 12 | 48,793 | 406329% |
| Other Baylands | 254 | 1,951 | 668% |
| Total | 242,344 | 262,128 | 8% |
| Adjacent Habitats | |||
| Moist Grassland | 60,487 | 7,474 | -88% |
| Grassland/Vernal Pool Complex | 24,070 | 15,038 | -38% |
| Riparian Forest | 2,350 | 737 | -69% |
| Willow Grove | 2,547 | 37 | -99% |
| Total | 89,455 | 23,286 | -74% |
| Table 2: Past and Present Habitat Habitat Acreages for the Suisun Subregion | |
|---|
| Habitat Type | Historical (ca. 1770 -1820) acres |
Modern (ca. 1997) acres |
% Change +/- |
|---|---|---|---|
| Bays | |||
| Deep Bay or Channel | 16,746 | 11,584 | -31% |
| Shallow Bay or Channel | 24,095 | 22,414 | -7% |
| Total | 40,841 | 33,998 | -17% |
| Baylands | |||
| Tidal Flat | 2,405 | 1,124 | -53% |
| Tidal Marsh | 65,344 | 9,222 | -86% |
| Muted Tidal Marsh | 14 | 4,553 | 32922% |
| Lagoon | 2 | 6 | 245% |
| Diked Marsh | 1,884 | ||
| Managed Marsh | 47,759 | ||
| Farmed Bayland | 1,464 | ||
| Grazed Bayland | 3,273 | ||
| Ruderal Bayland | 807 | ||
| Salt Pond | 0 | 0 | |
| Crystallizer | 0 | ||
| Managed Saline Pond | 0 | ||
| Treatment Pond | 776 | ||
| Bay Fill | 3,181 | ||
| Other Baylands | 2 | 570 | 32712% |
| Total | 67,766 | 74,618 | 10% |
| Adjacent Habitats |
| Table 3: Past and Present Habitat Acreages for the North Bay Subregion | |
|---|
| Habitat Type | Historical (ca. 1770 -1820) acres |
Modern (ca. 1997) acres |
% Change +/- |
|---|---|---|---|
| Bays | |||
| Deep Bay or Channel | 20,139 | 10,362 | -49% |
| Shallow Bay or Channel | 55,120 | 53,804 | -2% |
| Total | 75,259 | 64,165 | -15% |
| Baylands | |||
| Tidal Flat | 13,351 | 9,118 | -32% |
| Tidal Marsh | 53,337 | 15,512 | -71% |
| Muted Tidal Marsh | 1,739 | 822 | -53% |
| Lagoon | 37 | 981 | 2544% |
| Diked Marsh | 3,277 | ||
| Managed Marsh | 4,718 | ||
| Farmed Bayland | 21,895 | ||
| Grazed Bayland | 4,085 | ||
| Ruderal Bayland | 2,039 | ||
| Salt Pond | 270 | 0 | -100% |
| Crystallizer | 1,064 | ||
| Managed Saline Pond | 7,031 | ||
| Treatment Pond | 1,926 | ||
| Bay Fill | 6,898 | ||
| Other Baylands | 24 | 566 | 2293% |
| Total | 68,757 | 79,932 | 16% |
| Adjacent Habitats | |||
| Moist Grassland | 15,416 | 5,841 | -62% |
| Grassland/Vernal Pool Complex | 3,502 | 3,263 | -7% |
| Riparian Forest | 1,000 | 315 | -68% |
| Willow Grove | 2 | 0 | -100% |
| Total | 19,919 | 9,419 | -53% |
| Table 4: Past and Present Habitat Acreages for the Central Bay Subregion | |
|---|
| Habitat Type | Historical (ca. 1770 -1820) acres |
Modern (ca. 1997) acres |
% Change +/- |
|---|---|---|---|
| Bays | |||
| Deep Bay or Channel | 55,609 | 53,723 | -3% |
| Shallow Bay or Channel | 57,272 | 53,774 | -6% |
| Total | 112,881 | 107,497 | -5% |
| Baylands | |||
| Tidal Flat | 13,532 | 3,903 | -71% |
| Tidal Marsh | 13,366 | 852 | -94% |
| Muted Tidal Marsh | 95 | 97 | 2% |
| Lagoon | 45 | 658 | 1351% |
| Diked Marsh | 1,310 | ||
| Managed Marsh | 29 | ||
| Farmed Bayland | 0 | ||
| Grazed Bayland | 0 | ||
| Ruderal Bayland | 290 | ||
| Salt Pond | 8 | 0 | -100% |
| Crystallizer | 0 | ||
| Managed Saline Pond | 0 | ||
| Treatment Pond | 57 | ||
| Bay Fill | 25,087 | ||
| Other Baylands | 215 | 397 | 84% |
| Total | 27,263 | 32,679 | 20% |
| Adjacent Habitats | |||
| Moist Grassland | 5,466 | 0 | -100% |
| Grassland/Vernal Pool Complex | 0 | 0 | |
| Riparian Forest | 350 | 85 | -76% |
| Willow Grove | 476 | 2 | -100% |
| Total | 6,292 | 88 | -99% |
| Table 5: Past and Present Habitat Acreages for the South Bay Subregion | |
|---|
| Habitat Type | Historical (ca. 1770 -1820) acres |
Modern (ca. 1997) acres |
% Change +/- |
|---|---|---|---|
| Bays | |||
| Deep Bay or Channel | 7,035 | 6,851 | -3% |
| Shallow Bay or Channel | 37,955 | 41,812 | 10% |
| Total | 44,990 | 48,663 | 8% |
| Baylands | |||
| Tidal Flat | 21,181 | 15,001 | -29% |
| Tidal Marsh | 55,025 | 8,658 | -84% |
| Muted Tidal Marsh | 1,012 | 687 | -32% |
| Lagoon | 0 | 676 | |
| Diked Marsh | 2,732 | ||
| Managed Marsh | 1,309 | ||
| Farmed Bayland | 1,021 | ||
| Grazed Bayland | 0 | ||
| Ruderal Bayland | 347 | ||
| Salt Pond | 1,316 | 25,182 | 1814% |
| Crystallizer | 844 | ||
| Managed Saline Pond | 2,617 | ||
| Treatment Pond | 1,775 | ||
| Bay Fill | 12 | 13,627 | 113406% |
| Other Baylands | 13 | 418 | 3030% |
| Total | 78,558 | 74,892 | -5% |
| Adjacent Habitats | |||
| Moist Grassland | 33,077 | 696 | -98% |
| Grassland/Vernal Pool Complex | 6,391 | 2,622 | -59% |
| Riparian Forest | 600 | 261.76 | -56% |
| Willow Grove | 1,743 | 35 | -98% |
| Total | 41,811 | 3,615 | -91% |
