Adaptive evolution toward larger size in mammals [PDF]
The notion that large body size confers some intrinsic advantage to biological species has been debated for centuries. Using a phylogenetic statistical approach that allows the rate of body size evolution to vary across a phylogeny, we find a long-term ...
Alexander +5 more
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Overview of marine mammals and their endangerment in the Adriatic sea [PDF]
Sisavci nastanjuju sva kopnena i morska staništa. Pravi sisavci razvili su se prije 220 milijuna godina i do danas zadržali osnovne tjelesne karakteristike među vrstama.
Šoštarić, Sonja
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The role of the coastal communities as first responders of stranded marine mammals in East Java
Marine mammals in Indonesia mainly consisting of whales and dolphins belonging to the Cetacean and duyung or dugong of the order Sirenia. These rare animals are protected by law.
Kurniawati Achmadah +1 more
doaj +1 more source
Summary of 1987 and 1988 manatee aerial surveys at Kennedy Space Center [PDF]
Aerial surveys of manatees conducted since 1977 at Kennedy Space Center (KSC) have provided a very useful and cost effective monitoring tool in the assessment of abundance and distribution of manatees in the northern Banana River.
Provancha, Jane A., Provancha, Mark J.
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Von der Milch zum festen Futter : Von der Abhängigkeit zur Selbständigkeit [PDF]
Das Neugeborene ist bei Säugetieren und beim Menschen zunächst völlig von der Mutter abhängig, denn die Ernährung des oder der Nachkommen erfolgt erst einmal ganz auf Kosten der Mutter.
Langer, Peter
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The identification of mitochondrial DNA polymorphisms is one of the most efficient methods for species differentiation. Genotyping of molecular markers using PCR/RFLP is a reliable, sensitive and inexpensive method for the detection of species specific ...
Paula Braga Ferreira +2 more
doaj +1 more source
Seasonal Movements, Migratory Behavior, and Site Fidelity of West Indian Manatees along the Atlantic Coast of the United States as Determined by Radio-telemetry [PDF]
The study area encompassed the eastern coasts of Florida, Georgia, and South Carolina, including inland waterways such as the St. Johns River (Fig. 1). Manatees inhabited the relatively narrow band of water that lies between the barrier beaches and the
Bonde, Robert K. +4 more
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THE NEOGENE EURO-NORTH AFRICAN SIRENIA: PHYLOGENETIC AND SYSTEMATIC STUDY, PALAEOECOLOGICAL AND PALAEOBIOGEOGRAPHIC CONSIDERATIONS [PDF]
The evolution of the Neogene sirenians along the Euro-North African coasts (southern North Sea, northeastern Atlantic, Mediterranean and Paratethys) has been investigated in correlation with the palaeogeographic and palaeoclimatic evolution of the region.
SORBI, SILVIA
core
Some new mammal records from the rainforests of south-eastern Nigeria
<strong>Abstract</strong> In this paper we report new data on the occurrence and range of seven mammal species in the rainforest region of south-eastern Nigeria. The species in question are: <em>Potamogale velox</em> (Insectivora)
Francesco Angelici +2 more
doaj +1 more source
海牛目(Sirenia)是全世界三大水生兽类的类群之一(另为鲸类和鳍脚类)。其外形呈纺锤形,颇似小的鲸鱼;但是,其似鲸而非鲸,从形态上到演化上,均与鲸类完全不同,二者区分之处如下: (1) 海牛的颈虽短,但毕竟有颈部,能弯曲;鲸无颈,体形完全似鱼,头与躯干直接相联接。 (2) 海牛的鼻部宽而钝,中央有一个垂直的沟,其两侧还各有一垂直的沟;任何鲸类无上述的沟。
罗泽珣
doaj

