hawaii institute of marine biology – pacific islands regional sanctuary research partnership...
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Hawaii Institute of Marine Biology – Hawaii Institute of Marine Biology – Pacific Islands Regional SanctuaryPacific Islands Regional Sanctuary
RESEARCH PARTNERSHIPRESEARCH PARTNERSHIP
OBJECTIVE:Provide scientific research that informs ecosystem-based management of the Northwestern Hawaiian Islands
Papahanaumokuakea
joannleo@hawaii.edu
Appropriate Scales for Appropriate Scales for management unitsmanagement units
Determine top predator home rangesDetermine top predator home ranges Determine scales of larval dispersalDetermine scales of larval dispersal
joannleo@hawaii.edu
Ecologically Sensitive AreasEcologically Sensitive Areas
Determine the spatial patterns of genetic Determine the spatial patterns of genetic diversity – are genetically diverse areas more diversity – are genetically diverse areas more resilient?resilient?
Identify ecologically relevant indicators of reef Identify ecologically relevant indicators of reef health.health.
joannleo@hawaii.edu
Define, Monitor, Protect Intact Define, Monitor, Protect Intact Ecological CommunitiesEcological Communities
Baseline measurements of community diversity at Baseline measurements of community diversity at species and genetic level.species and genetic level.
Identify threatsIdentify threats Monitor for change (40+ full time researchers)Monitor for change (40+ full time researchers) Bring findings to managers to inform management Bring findings to managers to inform management
strategies strategies
joannleo@hawaii.edu
Top predator movements
121 fish tagged 20 acoustic receivers
covering 8 islands & atolls in NWHI
Several surprising long- distance movements already recorded
Meyer & Holland, in prep.Meyer et al., 2007
121 fish tagged 20 acoustic receivers
covering 8 islands & atolls in NWHI
Several surprising long- distance movements already recorded
joannleo@hawaii.edu
Bird, Holland, Bowen & Toonen, in press.
Scales of larval dispersal & connectivity across the Hawaiian Archipelago
3b
456
1a
1b
23a
Cellana talcosa
Cellana exarataCellana sandwicensis
joannleo@hawaii.eduKobayashi (2006) Coral Reefs
MHI
MHI
NWHI
NWHI
Partners: NMFS,Pacific Islands FisheriesScience Center
joannleo@hawaii.edu
Johnston AtollFST
= 0.15, Nm ≈ 1.4
FST = 0,
Nm = ∞
FFS
Scales of larval dispersal & connectivity across the Hawaiian Archipelago
FST = 0.15, Nm ≈ 1.3
Holothuria atra
Oahu
MHI
NWHI
joannleo@hawaii.edu
Scales of larval dispersal & Main-NWHI connectivity, con’t.
• Results differ by species: Some show strong population structure across the archipelago, while others do not
• Suggests that larval dispersal and connectivity is highly variable among species
• Survey seeks to determine whether there are generalities that can be made
a)
c)
b)
Distribution & susceptibility of coral/symbiont types
103 corals sampled to date:• 7 type A• 96 type C
4 diseased colonies:• 4/103 overall (4%)
Disease frequency by symbiont type:• 4/7 type A diseased (60%)• 0/96 type C diseased (0%)
Stat & Gates, in prep
joannleo@hawaii.edu
Main Hawaiian Islands
Relative reef health status throughout Hawaii
Rodgers & Jokiel, in prep.
Northwestern Hawaiian Islands
n = 122 n = 47
n = 151
Concepcion, Toonen, et al. in review
Invasive species
joannleo@hawaii.edu
SummarySummarySummarySummary
Johnston Atoll is the gateway to the Johnston Atoll is the gateway to the Hawaiian Archipelago. Hawaiian Archipelago.
Management units must be species Management units must be species specific.specific.
Ecosystem based management Ecosystem based management requires an understanding of all requires an understanding of all contributors to the ecosystem.contributors to the ecosystem.
NOAA-University partnerships are very NOAA-University partnerships are very effective. effective.
joannleo@hawaii.edu
AcknowledgementsAcknowledgements Support from Hawaii Congressional OfficeSupport from Hawaii Congressional Office::
Senator Daniel K. InouyeSenator Daniel K. Inouye Senator Daniel AkakaSenator Daniel Akaka Congressman Neil AbercrombieCongressman Neil Abercrombie Congresswoman Mazie Hirono Congresswoman Mazie Hirono
PartnersPartners:: NOAA-NOS Sanctuary Program (Papahanaumokuakea MNM)NOAA-NOS Sanctuary Program (Papahanaumokuakea MNM) NOAA-NMFS (PIFSC, WesPac)NOAA-NMFS (PIFSC, WesPac) University of Hawaii SOEST and CNS.University of Hawaii SOEST and CNS.
Additional funding for Ecosystem Based Additional funding for Ecosystem Based ManagementManagement:: NSF/EPA/Hawaii state funding: NSF/EPA/Hawaii state funding: Faculty, staff salaries: Faculty, staff salaries:
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