From: Trophic and environmental drivers of the Sechura Bay Ecosystem (Peru) over an ENSO cycle
Functional group/parameter | B i (tĀ kmā2) | P i/B i (yearā1) | Q i/B i (yearā1) | GEi | EEi | Y i (tĀ kmā2Ā yearā1) | DC |
---|---|---|---|---|---|---|---|
1. Phytoplankton | Converted chl a estimates from SeaWifs (Feldman and McClain 2007) | GU based on modified Eppley curve (Eppley 1972; Brush et al. 2002) | ā | ā | EO | ā | ā |
2. Macroalgae | IE | GU based on Macchiavello et al. (1987) | ā | ā | EO | ā | ā |
3. Zooplankton | IMARPE cruise averages 1995ā1999 for the area 5Ā°ā6Ā°S and within 82Ā°W | GU adapted from Polovina and Ow (1985) | EO | GE | ā | GU | |
4. Polychaetes | IE | GU based on Martin and GrĆ©mare (1997) | EO | GU | EO | ā | GU |
5. Scallops | IE | Wolff (1994) | EO | EO | IS | GU based on Rouillon et al. (2002) | |
6. Sea urchins | IE | EM | EO | GU | EO | ā | GU |
7. Herbivorous gastropods | IE | EM | EO | GU 0.3 based on Mann (1982) | EO | ā | GU |
8. Benthic detrivores | IE | EM | EO | GU | EO | IS | GU |
9. Misc. filter feeders | IE | GU based on Wolff (1994) | EO | GU | EO | IS | GU |
10. Predatory gastropods | IE | EO | GE based on Huebner and Edwards (1981) | GU 0,3 based on Huebner and Edwards (1981) | EO | IS | GU, IC |
11. Small carnivores | IE | EM | EO | GU | EO | IS | GU partially based on Keen (1972) for gastropod spp., IC |
12. Predatory crabs | IE | Wolff and Soto (1992) | EO | EO | ā | GU based on Leon and Stotz (2004), IC | |
13. Sea stars | IE | Ortiz and Wolff (2002) | EO | GU | EO | ā | GU, IC |
14. Octopods | GU based on catch data | EO | EO | IS | Cortez et al. (1999), IC | ||
15. Littoral fish | GU based on catch data | GU based on Wolff (1994) | EO | GU | EO | IS | GU based on FISHBASE (2006) |
16. Small pelagic fish | GU based on catch data | GU | EO | GU 0,1 based on Moloney (2005) | GU | IS | GU based on FISHBASE (2006) |
17. Pelagic predatory fish | GU based on catch data | GU based on Jarre et al. (1991) | EO | GU 0,1 based on Moloney (2005) | EO | IS | GU based on FISHBASE (2006) |
18. Marine mammals | GU | GU based on Jarre, Muck, and Pauly (1991) | EO | GU | EO | ā | GU |
19. Sea birds | GU | GU based on Moloney (200) | EO | GU based on Moloney (200) | EO | ā | GU |
20. Cephalopods | GU based on catch data | Z derived from VPA (IMARPE) (J. ArgĆ¼elles, pers. comm.) for Loligo gahi | EO | Neira and Arancibia (2004) | EO | IS | |
21. Detritus | EO | ā | ā | ā | ā | ā | ā |