SHOP.AGUARDIENTECLOTHING.COM Books > Marine Biology > Freshwater Snails Of Africa And Their Medical Importance by David S Brown

Freshwater Snails Of Africa And Their Medical Importance by David S Brown

By David S Brown

The 1st 1/2 this e-book is basically a scientific survey of the snails, starting with glossaries, keys for id to genera and a record of species. this can be via a synopsis of species, with short notes on ecology, distribution and parasites. Relationships are then defined among snails and schistosomes and with different parasites. The e-book is going directly to examine the standards affecting snail populations and attainable tools for inhabitants keep watch over.

Show description

Read Online or Download Freshwater Snails Of Africa And Their Medical Importance PDF

Best marine biology books

Interrelationships of Fishes

Comprising via some distance the most important and such a lot various crew of vertebrates, fishes occupy a large swathe of habitats starting from the inner most ocean abyss to the top mountain lakes. Such wonderful ecological range and the ensuing style in way of life, anatomy, body structure and behaviour, make unraveling the evolutionary historical past of fishes a frightening activity.

The biology of terrestrial molluscs

With an anticipated 35,000 species, terrestrial molluscs are the most profitable and various animal teams in land-based ecosystems. those animals have lengthy been of significance to human societies as foodstuff, medication, crop pests, vectors of parasites, and as instruments, own ornamentation and foreign money in exchange.

Artificial Reefs in Fisheries Management

Whereas synthetic reefs could have a lot to provide, they continue to be an anecdote within the better scheme of fisheries administration, essentially as a result of the loss of information particular to validating their use. in response to papers provided on the ninth convention on synthetic Reefs and synthetic Habitats (CARAH) and likewise together with unique articles written for this reference, man made Reefs in Fisheries administration brings to the vanguard the present kingdom of information concerning synthetic reefs and their pragmatic program to furthering fisheries sustainability.

Marine Renewable Energy Technology and Environmental Interactions

It's now well known that there's a desire for long term safe and appropriate sustainable different types of strength. Renewable strength from the marine atmosphere, specifically renewable strength from tidal currents, wave and wind, will help in achieving a sustainable strength destiny. Our knowing of environmental affects and appropriate mitigation tools linked to extracting renewable strength from the marine atmosphere is bettering for all time and it really is crucial that we manage to distinguish among usual and anthropocentric drivers and affects.

Additional resources for Freshwater Snails Of Africa And Their Medical Importance

Example text

1986) and 3 or more found in Madagascar and the Mascarene Islands (Starmühlner, 1969, 1979, 1983; Fischer-Piette & Vukadinovic, 1973), including C. longispina (Récluz, 1841) (Fig. 18g). FRESHWATER SNAILS OF AFRICA 51 Genus Septaria Ferussac, 1807 Shell medium to large, with its last whorl greatly expanded and cap-like. Operculum reduced to a small angular plate (Fig. 8a). In the lower courses of streams in the Indo-Pacific region, but rarely found in Africa. Type species: Patella borbonica Bory de St Vincent, 1803, Réunion Island.

Scale line: 10 mm. 3 A Shell varies from depressed to narrowly conical (Figs 32, 33). Central tooth with one basal denticle on each side. Hydrobia (p. 70) B Spire ovately to narrowly conic (Figs 37–39). Central tooth (Fig. 36d) with 2 or 3 pairs of basal denticles. In fresh or brackish water near South African coast; also in E Zaire .................................................... Pomatiopsidae: Tomichia (p. 77) Family BITHYNIIDAE 1 A Neritoid (globose, whorls rapidly increasing, spire low); shell may have pigmented pattern.

Buttikoferi (Schepman) P. zenkeri (Martens) P. nyongensis Spence P. trochiformis (Clench) P. angulata Thiele P. kadeii Samé-Ekobo & Kristensen P. riperti Samé-Ekobo & Kristensen C. -B. C. exarata (Martens) C. elata Dautzenberg & Germain C. -B. C. langi Pilsbry & Bequaert C. johnstoni Smith C. mweruensis Smith C. smithi Ancey C. nsendweensis Dupuis & Putzeys C. -B. C. guillemei Bgt C. athiensis Verdcourt C. hemmingi Verdcourt Cleopatra bulimoides (Olivier) C. ferruginea (I. Lea) C. africana (Martens) C.

Download PDF sample

Rated 4.09 of 5 – based on 10 votes