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海洋生態系

15 件の記事

Dunkleosteus was a giant Devonian armoured placoderm, c. 400 mya.

魚類の多様性と進化水中の生態系を支える脊椎動物の全貌

魚類脊椎動物分類学進化
Mixed seafood served in Dubai. Raw oysters arranged at the edge of the tray, surrounding the central mussels.

牡蠣(カキ)の生態と役割海の浄化から食文化まで

牡蠣カキ濾過摂食海洋生態系
Humboldt Current

フンボルト海流南米沿岸の生態系を支える冷たい海流のメカニズム

フンボルト海流ペルー海流湧昇流エルニーニョ
During summer, warm continental masses draw moist air from the Indian Ocean, producing heavy rainfall. The process is reversed during winter, resulting in dry conditions.

インド洋の地理と歴史地球を繋ぐ海洋のダイナミズム

インド洋海洋地理海洋生物多様性海上貿易
Map of the global distribution of reef-building corals.

生物侵食(バイオエロージョン)が海洋生態系とサンゴ礁に与える影響

生物侵食バイオエロージョンサンゴ礁海洋生態系
The Arctic Ocean, with borders as delineated by the International Hydrographic Organization (IHO), including Hudson Bay (some of which is south of 57°N latitude, off the map) and all other marginal seas.

北極海地球最北の極限環境とその地理的特性

北極海北極圏海洋地理海氷
Zooplankton sample including several species of copepods (1–5), gastropod larva (6) doliolids (7), fish eggs (8), and decapod larva (9) (Photo by Iole Di Capua)

動物プランクトンの生態と海洋生態系における役割

動物プランクトン海洋生態系プランクトン採取食物網
Representation of a diatom Central noduleStriae; pores, punctae, spots or dots in a line on the surface that allow nutrients in, and waste out, of the cellAreola; hexagonal or polygonal boxlike perforation with a sieve present on the surface of diatomRaphe; slit in the valvesPolar nodule; thickening of wall at the distal ends of the raphe [31][32]Frustule; hard and porous cell wallPyrenoid; center of carbon fixationPlastid membranes (4, secondary red)Inner membranesThylakoid; site of the light-dependent reactions of photosynthesisOil body; storage for triacylglycerols [33]Mitochondrion; creates ATP (energy) for the cellVacuoles; vesicle of a cell that contains fluid bound by a membraneCytoplasmic strand; holds the nucleusProtoplasmic bridgeEpivalveNucleus; holds the genetic materialEndoplasmic reticulum, the transport network for molecules going to specific parts of the cellGolgi apparatus; modifies proteins and sends them out of the cellEpicingulumHypocingulumHypovalveMicrotubule centre

珪藻(けいそう)の生態と構造地球環境を支えるガラスの単細胞生物

珪藻プランクトン被殻二酸化炭素固定
The Aethiopian Ocean depicted in a 1710 French map of Africa

大西洋の地理と生態系地球を繋ぐ巨大な海洋の全貌

大西洋大西洋中央海嶺海洋循環塩分濃度
Cycling of marine phytoplankton [28]

植物プランクトンが支える海洋生態系と地球環境のメカニズム

植物プランクトン海洋一次生産生物ポンプ藻類ブルーム
Marine microplankton and mesoplankton Part of the contents of one dip of a hand net. The image contains diverse planktonic organisms, ranging from photosynthetic cyanobacteria and diatoms to many different types of zooplankton, including both holoplankton (permanent residents of the plankton like copepods) and meroplankton (temporary residents of the plankton like fish eggs and crab larvae). 100 μm is one tenth of a mm

プランクトンの生態系地球の生命を支える微小生物の多様性と役割

プランクトン植物プランクトン動物プランクトン海洋生態系
Maps exhibiting the world's oceanic waters. A continuous body of water encircling Earth, the World/Global Ocean is divided into a number of principal areas. Five oceanic divisions are usually recognized: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Antarctic/Southern Ocean, and the Arctic Ocean; the last two listed are sometimes consolidated into the first three.

地球の海洋広大な水圏の構造と地球環境への影響

海洋世界海洋海洋循環海水温