Biological Oceanography
number of genera such as Lohmanniella, Strombidium, and Laboea. Some choreotrichs are facultative ...
Naked amoebae (Rhizopoda, protozoa with pseudopods) are quite rare in pelagic habitats. However, five she ...
and Foraminifera. The relationships of these groups (and all eukaryotes) are under review, based on DNA sequences ...
ammonium replacing sodium ion). Many acantharians, rads, and forams (not Phaeodaria) contain zooxanthe ...
Vellela, this is topped by a sail. The hydroids on one float are male or female that release very sm ...
infestations of the 2 m diameter (and ½ ton!) medusae of Nemopilema nomurai in the Japan Sea and beyond. ...
areas of the western Atlantic, and Pleurobrachia off California and Oregon, exhibit population outbursts which nea ...
(1988), T. nisseni can spray yellow, luminescent particles from its parapodia when disturbed. Most benthic an ...
Fig. 6.4 Shell of Cuvierina columella, a euthecosomatous pteropod. (a) Whole shell. (b) SEM of cracked shell s ...
(^) Euthecosome feeding apparently occurs in two modes. Internal filtration takes place on a ciliated mucous gl ...
to ovary when growth is at about half the final body size (which is 5–10 mm in most species). Pseud ...
component of the total biomass at most times, places, and depths. Members of the following subclasses are importan ...
(^) Halocyprid feeding is at least partly predatory. Larger Conchoecia grab copepods or other prey with t ...
English. With so many species, marine copepods constitute a large fraction of all mesozooplankton div ...
the thoracic legs are not shown in the lateral views) are typical in the taxonomy of small crustaceans. Böttg ...
end with a metamorphosis to adult-like forms termed copepodites. There are six copepodite stages, the las ...
(^) Mysids are the most shrimp-like of the peracaridan crustacea. Older stages have stalked eyes, ...
feeding mechanics are described in Chapter 7. (^) Sexes are separate in the euphausiids and, since mating is a ...
In the plankton, these advanced crustaceans are represented by several families of “true” shri ...
tubular extension of the body, a stolon. Many of these sections (10–50) remain attached to eac ...
«
7
8
9
10
11
12
13
14
15
16
»
Free download pdf