Datasets:
patrickbdevaney
/
mia9

Dataset card Data Studio Files
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Common scientific tool Not developed for Biscayne Bay May be useful with much further study Not understandable as real Expensive and long term
Common scientific tool Not developed for Biscayne Bay May be useful with much further study Impacts from acts of nature (e.g., hurricanes) Very expensive and long term
Relatively easy to monitor Not connected to salinity changes alone
Only applicable upstream in riverine areas
12
Historic mangrove shorelines would be
recreated
Population declines may be unrelated to
reductions in freshwater flow
Potential difficulties in relating population
declines to reductions of fresh water flow
Develop enhanced understanding of
distribution of H. johnsonii
Enhanced knowledge of H. johnsonii
could cause permitting problems
Designated critical habitat for manatees
and Johnson's seagrass
Designated critical habitat for manatees
and Johnson's seagrass
Potential difficulties in relating population
declines to reductions of fresh water flow Would require add'l mapping and/or
monitoring of oysters
14
2 12
Food Web Support 1 1 2 4 Medium 3
22
1 6
Requirement for preferred fish
communities 5 1 1 2 3 2
Indicator Species
(Oysters, Manatees & Johnson's
seagrass)
5 33
Medium
Restoration to pre-development
conditions would be too expensive and
not likely politically viable
Inexpensive, but difficult to interpret
Existing condition is severely degraded, but
Significant Harm not yet reached 3 2
General ineffectiveness of existing regulatory
programs
Would require add'l approach for
open-water areas
Adverse impacts from non-salinity water
quality parameters
1
3 4
2
Medium
Medium
Future reductions in Manatee presence may not
be related to diminishing fresh water flows
Difficult to quantify "vitality" of Johnson's
seagrass
Additional restrictions to protect manatees
are often highly controversial
3
3
3 3 Medium
13 1
Slow 1 12
Medium 3
3
1
2
Pre-development Scenario
4
1 1 3
2
Closing of Haulover Inlet and
replacement of seawalls with mangroves
not feasible
1 1
If salinities are correct for oysters and sea
grasses, conditions will be suitable for
numerous other species
Existing oyster habitat is presently limited
to riverine portions of waterways
Add'l restrictions to maintain current
status would not likely receive public
acceptance
Would recreate viable fishery where
none presently exists
3
Public acceptance fairly high for
manatees and oysters
WEAKNESSES & Score
(0 = Very weak, 5 = few weaknesses)
3
Presence/Absence/Vitality
of Preferred Habitats
Ecological Preservation
Valued Ecosystem Component
(Oysters, Manatees and Johnson's
seagrass)
Community Index
Would involve restoration of mangrove and
seagrass habitats
Recreational fishing is popular, but most fishers