The status of the world's land and marine mammals: diversity, threat, and knowledge

Knowledge of mammalian diversity is still surprisingly disparate, both regionally and taxonomically. Here, we present a comprehensive assessment of the conservation status and distribution of the world's mammals. Data, compiled by 1700+ experts, cover all 5487 species, including marine mammals. Global macroecological patterns are very different for land and marine species but suggest common mechanisms driving diversity and endemism across systems. Compared with land species, threat levels are higher among marine mammals, driven by different processes (accidental mortality and pollution, rather than habitat loss), and are spatially distinct (peaking in northern oceans, rather than in Southeast Asia). Marine mammals are also disproportionately poorly known. These data are made freely available to support further scientific developments and conservation action

The visitation of the county of Dorset, taken in the year 1623,

Mode of access: Internet

Pedigrees made at the visitation of Cheshire, 1613,

Published also as v. 59 of the Publications of the Harleian Society.Mode of access: Internet.

Research into Teaching and Learning of Tertiary Mathematics and Statistics

Reviewed in this chapter is the growing depth and variety of research being undertaken in the tertiary mathematics field. In particular, the scope of the research and issues being examined have been highlighted in sections: Tertiary mathematics education. The focus is strategies for teaching and learning in mathematics education and the professional learning of the lecturers and tutors. Mathematical content. Papers reviewed are those that focus on certain content areas in tertiary mathematics, both practical and theoretical. Tertiary statistics education. The authors reviewed the small but growing area of research that examines the teaching and learning of statistics, content areas of statistics education and some of the innovations being used in this area of teaching and learning. Transitions and support. The focus is school to university transition and the support structures being implemented to provide academic support for undergraduate students of mathematics. Service teaching. The authors consider papers that link mathematics into service areas such as engineering and the health sciences

The impact of conservation on the status of the world's vertebrates

Using data for 25,780 species categorized on the International Union for Conservation of Nature Red List, we present an assessment of the status of the world's vertebrates. One-fifth of species are classified as Threatened, and we show that this figure is increasing: On average, 52 species of mammals, birds, and amphibians move one category closer to extinction each year. However, this overall pattern conceals the impact of conservation successes, and we show that the rate of deterioration would have been at least one-fifth again as much in the absence of these. Nonetheless, current conservation efforts remain insufficient to offset the main drivers of biodiversity loss in these groups: agricultural expansion, logging, overexploitation, and invasive alien species

The status of the world's land and marine mammals: Diversity, threat, and knowledge

Knowledge of mammalian diversity is still surprisingly disparate, both regionally and taxonomically. Here, we present a comprehensive assessment of the conservation status and distribution of the world's mammals. Data, compiled by 1700+ experts, cover all 5487 species, including marine mammals. Global macroecological patterns are very different for land and marine species but suggest common mechanisms driving diversity and endemism across systems. Compared with land species, threat levels are higher among marine mammals, driven by different processes (accidental mortality and pollution, rather than habitat loss), and are spatially distinct (peaking in northern oceans, rather than in Southeast Asia). Marine mammals are also disproportionately poorly known. These data are made freely available to support further scientific developments and conservation action