CORALS Flashcards
WHAT IS THE NORMAL AVERAGE SALINITY OF NORMAL SEAWATER?
34-36 ppt
WHAT IS THE AVERAGE SALINITY OF MIDDLE EAST (PERSIAN GULF, CENTRAL AND NORTHERN RED SEA, GULF OF AQABA AND GULF OF SUEZ)?
40 ppt
PERSIAN GULF SALINITY
42 ppt
SAUDI ARABIA AND GULF OF SALWAH SALINITY
50-70 ppt
RED SEA SALINITY
40-45 ppt
WHAT ARE THE THREE CORALS THAT CAN WITHSTAND 50 ppt FOR 1-3 MONTHS?
SIDERASTREA SAVIGNYANA
PORITES NODIFERA
CYPHASTREA MICROPHTALMA
CORALS ARE
OSMOCONFORMERS
CORAL GROWTH OCCURS DURING?
WARM PERIOD AND MAY SLOW WHEN IT BECOMES TOO COLD
THE AVERAGE TEMPERATURE FOR REEFS
27.6 DEGREE CELSIUS
AVERAGE MAXIMUM FOR REEFS
29.5 DEGREE CELSIUS
MAX DEPTH OF CORAL REEF FORMATION
30-50 METERS
EUPHOTIC ZONE = SUNLIGHT ZONE
150 METERS
LONG WAVELENGTHS
RED, YELLOW AND ORANGE
LONG WAVELENGTHS CAN PENETRATE
15, 30, 50 METERS
SHORT WAVELENGTH
VIOLET, BLUE AND GREEN
PENETRATES THE DEEPEST
BLUE
ARE ESSENTIAL FOR THE PRODUCTION OF ORGANIC MATTER BY PHOTOSYNTHESIZING ORGANISMS
NITROGEN, PHOSPHORUS AND VARIOUS TRACE ELEMENTS
NITROGEN FIXATION
(N2 to NH3/ NH4+ or NO3-)
UPWELLING OF NUTRIENT-RICH DEEP WATER CAN CARRY NUTRIENTS TO THE REEF
OCEAN UPWELLING
PROVIDES A MODEST SOURCE OF NITROGEN AND PHOSPHORUS FOR CORAL REEFS WHILE TERRESTRIAL RUN-OFF IS THE BIGGEST CONTRIBUTOR OF NITROGEN AND PHOSPHORUS TO COASTAL REEFS
RAINFALL AND TERRESTRIAL RUN-OFF
WAVES, CURRENTS, TIDES AND STORMS ARE IMPORTANT FOR DETERMINING
REEF MORPHOLOGY
REEF COMMUNITY STRUCTURE
SEDIMENT DISTRIBUTION PATTERNS
ZONES OF EARLY REEF DIAGENESIS
LARVAL TRANSPORT PATHWAYS
THE ABILITY TO WITHSTAND CONSIDERABLE WAVE ACTION IS DUE TO
SPUR AND GROOVE FORMATION
SPUR AND GROOVE CONSIST OF
PARALLEL LINEAR RIDGES OF REEF SEPARATED BY DEPRESSIONS
SEDIMENTS HAVE BEEN CONSIDERED AS
PRIMARY SOURCE OF STRESS ON CORAL REEFS
