Marine Resources Assessment for the Marianas Operating ... - SPREP

AUGUST 2005 FINAL REPORT
LIST OF FIGURES
No. Page
1-1 Guam and the Commonwealth of the Northern Mariana Islands (CNMI), northwest Pacific
Ocean: Study area, military installations, military submerged areas (Haputo Ecological
Reserve Area [ERA], Orote Peninsula ERA), military leases, military warning areas, and
military ranges...............................................................................................................................1-2
2-1 Three-dimensional bathymetry and major physiographic features of the Marianas MRA
study area and vicinity...................................................................................................................2-4
2-2 Bathymetry of the Marianas MRA study area and vicinity ............................................................2-5
2-3 Seamounts, active submarine volcanoes, and hydrothermal vents located in the Marianas
MRA study area and vicinity .........................................................................................................2-7
2-4a Surface circulation of the Pacific Ocean and outline of the North Pacific Subtropical Gyre.......2-10
2-4b Winds and mean atmospheric highs and lows of the northern Pacific Ocean during the (a)
dry season and (b) rainy season.................................................................................................2-11
2-5 Mean seasonal sea surface temperature in the Marianas MRA study area and vicinity
during the (a) dry season and (b) rainy season ..........................................................................2-13
2-6 Mean seasonal surface chlorophyll a concentrations in the Marianas MRA study area and
vicinity during the (a) dry season and (b) rainy season ..............................................................2-16
2-7a Nearshore benthic habitats of the Marianas MRA study area, Guam: Habitat zonation ............2-21
2-7b Nearshore benthic habitats of the Marianas MRA study area, Guam: Live cover......................2-22
2-7c Nearshore benthic habitats of the Marianas MRA study area, Guam: Geomorphological
structure ......................................................................................................................................2-23
2-8a Nearshore benthic habitats of the Marianas MRA study area, Tinian: Habitat zonation ............2-24
2-8b Nearshore benthic habitats of the Marianas MRA study area, Tinian: Live cover......................2-25
2-8c Nearshore benthic habitats of the Marianas MRA study area, Tinian: Geomorphological
structure ......................................................................................................................................2-26
2-9a Nearshore benthic habitats of the Marianas MRA study area, Farallon de Medinilla:
Habitat zonation ..........................................................................................................................2-27
2-9b Nearshore benthic habitats of the Marianas MRA study area, Farallon de Medinilla: Live
cover............................................................................................................................................2-28
2-9c Nearshore benthic habitats of the Marianas MRA study area, Farallon de Medinilla:
Geomorphological structure........................................................................................................2-29
2-10 Distribution of seagrass and mangrove communities in the Marianas MRA study area and
vicinity (a) Guam, (b) Apra Harbor, (c) Tinian and Saipan..........................................................2-42
2-11 Distribution of artificial reefs, shipwrecks, and fish aggregating devices in the Marianas
MRA study area and vicinity .......................................................................................................2-45
3-1 General major and minor migratory patterns of humpback whales in the North Pacific
Ocean..........................................................................................................................................3-13
3-2 Designated critical habitat for the Hawaiian monk seal ..............................................................3-23
3-3 Beaches with known sea turtle nesting activity on (a) Tinian and (b) Saipan.............................3-91
3-4 The post-nesting migration of a female green turtle satellite-tagged near Hagåtña, Guam
in June 2000................................................................................................................................3-94
4-1 Annual boat based total landings by fishing method on Guam...................................................4-65
4-2 Total annual commercial fisheries landings (pounds and dollars) for Guam from 1980 to
2003.............................................................................................................................................4-66
4-3 Seasonal commercial fisheries landings (pounds and dollars) for CNMI from 1981 to 2003 .....4-66
4-4 Annual boat-based total landings (1,000 pounds) of pelagic, bottom, and other fish for
Guam from 1980 through 2003 ...................................................................................................4-67
4-5 Annual estimated transshipment (million pounds) of tuna and non-tuna species on Guam
from 1990 through 2003 ..............................................................................................................4-68
v