planktonic zonation

См. также в других словарях:

• Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… …   Universalium

• Intertidal ecology — is the study of intertidal ecosystems, where organisms live between the low and high tide lines. At low tide, the intertidal is exposed (or ‘emersed’) whereas at high tide, the intertidal is underwater (or ‘immersed’). Intertidal ecologists… …   Wikipedia

• Cambrian Period — Oldest time division of the Paleozoic Era. During the Cambrian, 543–490 million years ago, there were widespread seas and several scattered landmasses. The largest continent was Gondwana. The average climate was probably warmer than today, with… …   Universalium

• List of Cumacea literature — Extensive literature list on Cumaceans. Contents: Top · 0–9 · A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A …   Wikipedia

• Danian — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene …   Wikipedia

• Lentic ecosystems — are the ecosystems of lakes, ponds and swamps. Included in these environments are the biotic interactions (amongst plants, animals and micro organisms) together with the abiotic interactions (physical and chemical).cite book | last = Brown first …   Wikipedia

• Erlend Martini — (* 1. Juni 1932 in Berlin Charlottenburg) ist ein deutscher Mikropaläontologe. International bekannt wurde Martini als Fachmann für Nannoplankton. 1971 veröffentlichte er eine maßgebliche Nannoplankton Zonierung. Bis zu seiner Emeritierung 1994… …   Deutsch Wikipedia

• Phototrophie — Die Rotalge Stylonema alsidii ist phototroph. Phototrophie oder Fototrophie (von altgriechisch φῶς phos = das Licht + τροφή trophé = die Ernährung) bezeichnet die Nutzung von Licht als Energiequelle durch Lebewesen. Das Licht wird gebraucht …   Deutsch Wikipedia

• hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …   Universalium

• Devonian Period — Interval of geologic time from 417 to 354 million years ago; it was the fourth period of the Paleozoic Era. During the Devonian, a giant continent was situated in the Southern Hemisphere (see Gondwana), and other landmasses were located in the… …   Universalium

• Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …   Universalium