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Miami River/Government Cut: The recommended approach (Community
Index) rated highest at 20 with a range of values from 5-20. This approach
utilizes a biodiversity index similar to that developed by Berkely and Campos
(1984) for the Bay.
Central Biscayne Bay: The recommended approaches (Indicator Species and
Valued Ecosystem Component) both rated highest at 22 with a range of values
from 5-22. The Indicator Species approach was judged the better of the two by
the principal scientists, and the species chosen were pink shrimp and shoal grass.
South-Central Biscayne Bay: The recommended approach (Valued Ecosystem
Component) rated highest at 22 with a range of values from 5-22; the VEC being
a sustainable pink shrimp harvest.
Southern Biscayne Bay: The recommended approach (Food Web Support)
rated highest at 26 with a range of values from 5-26. The intent is that the forage
fish food base be sustained to support: (1) nesting productivity for the Roseate
Spoonbill (and several other wading bird species) and (2) high survival of first
year juveniles of the American crocodile, as the target reference points.
Table ES-1
Comparison of the Relative Strength of Scientific Support for the
Different MFL Approaches for Each Sub-region
Oleta River
Snake Creek
Northern
Biscayne Bay
Miami River
Gov't Cut
Central
Biscayne Bay
South-Central
Biscayne Bay
Southern
Biscayne Bay
2 2 4
Relative Strength of
Scientific Support (0-5) 2 3 2
Soil Characteristics
Requirement for preferred
fish communities
Food Web Support
Sub-Region
Pre-development Scenario
Valued Ecosystem
Component(s)
Community Index
Indicator Species
POTENTIAL APPROACHES
Presence/Absence/Vitality
of Preferred Habitats
Ecological Preservation
22 22
17
14 8
17
21
12
15
16
22 15
6
18 18 16
22
17
14
14
12
12
12 12 6
5
12 20
12
12
12
6
15 11
5
22 16
13
26
10
5
15
12
5
10
Shaded bocks indicate the recommended approach for each sub-region, based on it receiving the highest ranking.
It is important to note that these values represent a composite of multiple factors (see Appendix E).
12
15
5
10
12
12 12
12
12
Introduction
Freshwater Flow and Ecological Relationships in Biscayne Bay 1-1
SECTION 1
INTRODUCTION
PROJECT BACKGROUND
The State of Florida has adopted regulations (Section 373.042 Florida Statutes),
which require that Water Management Districts identify priority water bodies,