By R.W. Garrison, N. von Ellenrieder, J.A. Louton
Книга представляет собой прекрасно иллюстрированное и детальное руководство по систематике и экологии стрекоз Северной, Центральной и Южной Америки. Хотя стрекозы и являются одной из самых изученных групп насекомых, до настоящего момента не существовало пособия, позволяющего определять их роды или даже группы родов в Новом Свете. Книга представляет собой иллюстрированный и современный определитель для всех родов стрекоз с описанием каждого рода, снабжена картами распространения и 1595 диагностическими иллюстрациями, включая образцы жилкования крыльев и характеристики гениталий.
Доп. информация: Файл является рипом с сайта Google Books. Этим определяется отсутствие некоторых страниц (до 20% от общего числа) и низкое разрешение сканирования (72 dpi).
Мои раздачи биологических определителей, справочников, учебных пособий и монографийБудьте добры, нажмите на кнопку Сказать "Спасибо"!
Read Online or Download Dragonfly genera of the New World: an illustrated and annotated key to the Anisoptera PDF
Similar zoology books
Scholars frequently locate it tough to know primary ecological and evolutionary innovations due to their inherently mathematical nature. Likewise, the appliance of ecological and evolutionary concept usually calls for a excessive measure of mathematical competence.
This booklet is a primary step to addressing those problems, offering a extensive advent to the most important tools and underlying thoughts of mathematical versions in ecology and evolution. The e-book is meant to serve the wishes of undergraduate and postgraduate ecology and evolution scholars who have to entry the mathematical and statistical modelling literature necessary to their subjects.
The ebook assumes minimum arithmetic and records wisdom when protecting a wide selection of equipment, lots of that are on the fore-front of ecological and evolutionary learn. The e-book additionally highlights the functions of modelling to sensible difficulties corresponding to sustainable harvesting and organic control.
Key positive factors: Written essentially and succinctly, requiring minimum in-depth wisdom of arithmetic Introduces scholars to using laptop versions in either fields of ecology and evolutionary biology marketplace - senior undergraduate scholars and starting postgraduates in ecology and evolutionary biology
Leonardo’s selection: Genetic applied sciences and Animals is an edited choice of twelve essays and one discussion targeting the profound impact using animals in biotechnology is having on either people and different species. speaking the most important understandings of the built-in nature of the human and non-human international, those essays, not like nearly all of discussions of biotechnology, take heavily the effect of those applied sciences on animals themselves.
Copy of Marine Invertebrates V2 summary: copy of Marine Invertebrates V2
Professor Gerald Esch has already released books in what's turning into an off-the-cuff sequence of essays exploring the best way that discoveries concerning the biology of parasites have motivated ecological and evolutionary theories over a profession that has spanned approximately 50 years. This e-book may be the 3rd set of essays and should concentrate on key moments of discovery and discover how those achievements have been because of collaboration, mentoring, and neighborhood construction in the box of ecological parasitology.
- Lateralization in the Nervous System
- Ethno-Ornithology: Birds and Indigenous Peoples, Culture and Society
- The New Anthropomorphism (Problems in the Behavioural Sciences S.)
- grzimek's animal life encyclopedia. birds i
- Population Ecology of Raptors
- Atlas - Biologie Animale
Extra resources for Dragonfly genera of the New World: an illustrated and annotated key to the Anisoptera
2 Successions on old ﬁelds in Minnesota: a study in time and space ‘Ecological succession’ is a concept that must be familiar to many who have simply taken a walk in open country – the idea that a newly created habitat, or one in which a disturbance has created an opening, will be inhabited, in turn, by a variety of species appearing and disappearing in some recognizably repeatable sequence. Widespread familiarity with the idea, however, does not mean that we understand fully the processes that drive or fine-tune successions; yet developing such understanding is important not just because succession is one of the fundamental forces structuring ecological communities, but also because human disturbance of natural communities has become ever more frequent and profound.
10 0 160 SO42– 120 80 0 100 Ca2+ 60 40 20 0 1964 1968 1972 1976 1980 Year 1984 1988 1992 An associated reduction in bird populations in the forest may even be linked to this scenario. These unanswered questions are the subject of new phases of research at Hubbard Brook. 4 A modeling study: to discover why Asian vultures were heading for extinction vulture populations in India and Pakistan were declining by 22–50% per year In 1997, vultures in India and Pakistan began dropping from their perches.
Care was taken not to succumb to the temptation of choosing sites with easy access (near roads or bridges) in case this biased the results. The sites were classified as containing: (i) no fish; (ii) Galaxias only; (iii) trout only; or (iv) both Galaxias and trout. ). A statistical procedure called multiple discriminant functions analysis was then used to determine which physical variables, if any, distinguished one type of site from another. 1. Trout occurred almost invariably below waterfalls that were large enough to prevent their upstream migration; they tended to occur at low elevations because sites without waterfalls downstream tended to be at lower elevation.