Biology, Evolution and Conservation of River Dolphins Within by Manuel Ruiz-garcia, Joseph Mark Shostell

By Manuel Ruiz-garcia, Joseph Mark Shostell

Show description

Read Online or Download Biology, Evolution and Conservation of River Dolphins Within South America and Asia PDF

Similar mammals books

The complete book of southern African mammals

Книга содержит современные сведения для каждого вида млекопитающих южноафриканского региона, характеризуя распространение, охранный статус, местообитания, издаваемые звуки, питание, биологию размножения и социальные системы. Каждое видовое описание включает полноцветную фотографию животного в естественной среде и карту распространения.

Eye, Retina, and Visual System of the Mouse

Contemporary years have noticeable a burst of reviews at the mouse eye and visible method, fueled largely through the really contemporary skill to supply mice with accurately outlined alterations in gene series. Mouse types have contributed to a variety of medical breakthroughs for a few ocular and neurological illnesses and feature allowed researchers to handle basic concerns that have been tough to procedure with different experimental versions.

Nutritional Bioavailability of Manganese

Content material: Manganese bioavailability assessment / Constance Kies -- Manganese uptake and retention : experimental animal and human reports / Bo Lönnerdal, Carl L. prepared, J. G. Bell, and B. Sandström -- nutritional manganese toxicity and deficiency : results on mobile manganese metabolism / Carl L. willing, Sheri Zidenberg-Cherr, and Bo Lönnerdal -- Manganese homeostasis within the chick / L.

Insectivora: With a Stereotaxic Atlas of the Hedgehog Brain

This primary quantity within the sequence on "Comparative mind learn in Mammals" offers with the brains of Insectivora. the significance of Insectivora lies in particular within the incontrovertible fact that, (1) insectivore-like ancestors are considered as the preliminary crew for the evolution of upper mammals, and (2) the insectivore brains retained many conservative features, even though the animals have tailored to assorted dwelling environments.

Additional info for Biology, Evolution and Conservation of River Dolphins Within South America and Asia

Example text

When data were not normally distributed, the Kruskal-Wallis test was used to compare sample medians. Seasonal Ecology of Inia in Three River Basins of South America 35 Table 3. Encounter rates of Inia in rivers of the Pacaya-Samiria Reserve, Peru. R=significant seasonal differences within a river*. 98 * Single factor ANOVAS were used to compare means among seasons. When data were not normally distributed, the Kruskal-Wallis test was used to compare sample medians. 4-m mean depth (Table 4). There were significant seasonal differences in the mean and maximum number of Inia in confluences (Table 5).

C. , Oshima, J. E. F. & Silva, E. (2009). Sightings of franciscana dolphins (Pontoporia blainvillei): the discovery of a population in the Paranaguá estuarine complex, southern Brazil. Brazilian Journal of Oceanography, 57(1), 57-63. [65] Sayer, J. A. & Whitmore, T. C. (1991). Tropical moist forest: Destruction and species extinction. Biological Conservation, 55, 199-213. [66] Schnapp, D. & Howroyd, J. (1992). Distribution and local range of the Orinoco dolphin (Inia geoffrensis) in the Rio-Apure, Venezuela.

Unselective fishing methods including the use of rolling hooks, electrofishing gear and gillnets have had direct and dire consequences for the baiji as well. , 2007). , 2006). , 2000). , 2007). Anecdotal evidence suggests that at least one baiji was still alive in 2007, but more than likely, this species is either extinct or soon to be extinct. The IUCN has listed the baiji as critically endangered. Wang and Zhao‘s chapter 19 as well as Turvey‘s chapter 20 discusses the development of conservation measures and failed attempts to save the baiji from extinction.

Download PDF sample

Rated 4.09 of 5 – based on 3 votes