Ecology:Concepts and ApplicationsNaturalhiston1. The Deep Blue Sea2003.10.22
2003.10.22 6 Ecology:Concepts and Applications Natural history 1. The Deep Blue Sea
Ecology:Concepts andApplicationsNaturalhistonyThe dorsal appendage is a lureComparedto otherfish,thethat gives off light produced bynumberand size of fins and thesymbiotic bacteria.skeletal system are reducedMales of the species are reducedPrey attracted by the lure areto a sperm-producing parasiticseizedby oversized teethappendageoffemales.Thedarkness,lowfood availabilityand high pressures ofthedeep-saenvironmenthave selectedfor organisms quite different from those typicalofeither shallow seas ortheterrestrial environment.Only thefemalesofthis deep-sea anglerfish species are active predators.FIGURE 3.4 Deep-sea anglerfish
2003.10.22 7 Ecology:Concepts and Applications Natural history
Ecology:Concepts and ApplicationsNatural histony360million Km?Pacific:180 million Km?Km?Atlantic:106millionIndian:3.900Km?Marianas:10,000mtrenchMauna Loa:Hawaii,4000m+6000m2003.10.22Geography
2003.10.22 8 Ecology:Concepts and Applications Natural history ➢ Geography 360 million Km2 Pacific: 180 million Km2 Atlantic:106million Km2 Indian:3,900 Km2 Marianas:10,000m trench, Mauna Loa: Hawaii,4000m+6000m
Ecology:Concepts and ApplicationsNatural histonThe Oyashio isa cold-waterThe Kuroshio is a warmTheGulf Streamcurrentthat coolsnortheastwater currentthat bringsmoderatescoast of Asia.tropicalwaterstosouthemtemperaturesinnorthwest Europe:isiands of Japan.Sea of OkhotskTheLabradorCurrentcoolsmaritime provinces ofnortheastem Canada.Baltic SeaGulfof AlaskaSeaofBeringJapanSeaNorthSeaBlack SeaMediterranean seaGulfofMexicoPaeificGulfofCalifomiaAtlanticRed SeaPersianOceanOceanCaribbean SeaChina SeaGulfBayofArabianBengalSeaEquatorCoralSeaThe Humboldt CurrentIndianbrings cold AntarcticOceanwatersalong west coastofSouthAmericaTasmanbSeaThe cold currents ofThe Benguela Current coolsthe West Wind DriftwatersoffsouthwestAfrica.circle Antarctica.FIGURE3.5Oceaniccircalation
2003.10.22 9 Ecology:Concepts and Applications Natural history
Ecology:Concepts and ApplicationsNaturalhistonStructureLittoral(intertidaD)zoneNeriticzoneOceaniczone2003.10.2210
2003.10.22 10 Ecology:Concepts and Applications Natural history Littoral (intertidal) zone Neritic zone Oceanic zone Structure