Contribution à la cytotaxonomie et à la cytogéographie des Poa (Poaceae = Gramineae) de la Suisse PDF Download
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Author: Marie M. Duckert-Henriot
Publisher: Birkhäuser
ISBN: 3034892934
Category : Science
Languages : en
Pages : 130
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Book Description
Le genre Poa (en fran9ais: paturin, en allemand: Rispengras) Dans la presente etude, nous avons adopte la classification qui comprend plus de 200 especes dans le Monde, est un des de Edmondson (1980), non parce qu'elle est la plus recente, mieux representes parmi les Graminees des regions extratro mais parce qu'elle nous para'it la plus naturelle. Les especes, et sous-especes interessant la flore suisse y sont reparties en picales. La proportion des Poa, par rapport aux autres Gra minees, atteint 15% aux latitudes elevees et dans les hautes deux genres: Bellardiochloa et Poa et le genre Poa est divise montagnes (Hartley, 1961). D'apres cet auteur il y a une en 9 sections, et cela de la maniere suivante: correlation positive entre le nombre relatif d'especes de Poa Bellardiochloa violacea Poa violacea dans une flore et les basses temperatures estivales. Hartley (= Poa Sect. Pseudofestuca) suppose que ce genre a pris naissance dans les montagnes et Poa Sect. Ochlopoa Poa annua les plateaux d' Asie centrale et qu'il a derriere lui une longue Poa supina histoire evolutive. Poa trivialis Poa Sect. Coenopoa En Europe, il y a 45 especes de Poa (Edmondson, 1980) dont Poa trivialis subsp. sylvicola une vingtaine se rencontre en Suisse. 11 est difficile de donner Poa Sect. Poa Poa pratensis un chiffre plus precis, car les auteurs recents ne sont pas Poa angustifolia d'accord sur le rang qu'il convient d'attribuer a certains Poa Sect.
Author: Marie M. Duckert-Henriot
Publisher: Birkhäuser
ISBN: 3034892934
Category : Science
Languages : en
Pages : 130
Get Book Here
Book Description
Le genre Poa (en fran9ais: paturin, en allemand: Rispengras) Dans la presente etude, nous avons adopte la classification qui comprend plus de 200 especes dans le Monde, est un des de Edmondson (1980), non parce qu'elle est la plus recente, mieux representes parmi les Graminees des regions extratro mais parce qu'elle nous para'it la plus naturelle. Les especes, et sous-especes interessant la flore suisse y sont reparties en picales. La proportion des Poa, par rapport aux autres Gra minees, atteint 15% aux latitudes elevees et dans les hautes deux genres: Bellardiochloa et Poa et le genre Poa est divise montagnes (Hartley, 1961). D'apres cet auteur il y a une en 9 sections, et cela de la maniere suivante: correlation positive entre le nombre relatif d'especes de Poa Bellardiochloa violacea Poa violacea dans une flore et les basses temperatures estivales. Hartley (= Poa Sect. Pseudofestuca) suppose que ce genre a pris naissance dans les montagnes et Poa Sect. Ochlopoa Poa annua les plateaux d' Asie centrale et qu'il a derriere lui une longue Poa supina histoire evolutive. Poa trivialis Poa Sect. Coenopoa En Europe, il y a 45 especes de Poa (Edmondson, 1980) dont Poa trivialis subsp. sylvicola une vingtaine se rencontre en Suisse. 11 est difficile de donner Poa Sect. Poa Poa pratensis un chiffre plus precis, car les auteurs recents ne sont pas Poa angustifolia d'accord sur le rang qu'il convient d'attribuer a certains Poa Sect.
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Category : Botany
Languages : en
Pages : 542
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Book Description
Author: Philippa Gardom Hulme
Publisher: OUP Oxford
ISBN: 9780198392576
Category : Juvenile Nonfiction
Languages : en
Pages : 184
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Book Description
Activate is a new Key Stage 3 Science course for the 2014 curriculum, designed to support every student on their journey through Key Stage 3 to Key Stage 4 success. This student book will spark students' curiosity in science, whilst gradually building the maths, literacy and working scientifically skills vital for success in the new GCSEs.
Author: Mark Levesley
Publisher: Pearson Education
ISBN: 9781846908866
Category : Science
Languages : en
Pages : 272
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Book Description
This book features high quality, engaging content to motivate and support your students and help your students achieve their potential with a range of exam-style questions, sample student answers and step-by-step guidance on the new question types.
Author: Mary Jones
Publisher: Cambridge University Press
ISBN: 1316637190
Category : Education
Languages : en
Pages : 81
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Book Description
Written by well-respected authors, the Cambridge Checkpoint Science suite provides a comprehensive, structured resource which covers the full Cambridge Secondary 1 framework and seamlessly progresses into the next stage. Checkpoint Science Challenge Workbook 7 provides targeted additional exercises that aim to stretch students to develop deeper knowledge and understanding, and to further refine their scientific skills. Using an active-learning approach the workbook aims to encourage and motivate students and promote scientific enquiry.
Author: Terry Hudson
Publisher: Oxford University Press, USA
ISBN: 9780198394853
Category : Science
Languages : en
Pages : 0
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Book Description
Oxford International Primary Science takes an enquiry-based approach to learning, engaging students in the topics through asking questions that make them think and activities that encourage them to explore and practise.
Author: P. Johnson
Publisher:
ISBN: 9781447959410
Category :
Languages : en
Pages : 424
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Book Description
The Teacher and Technician Planning Pack is designed to give you maximum support for Exploring Science: Working Scientifically. Including: * Detailed Technician notes * All the answers to all the questions in the Student Book and Activity Pack * Background information for each unit, including explanations of the science and potential misconceptions * Full mapping of the units to the curriculum and skills coverage, including a Blooms' Taxonomy for each unit * All the lesson plans from the ActiveTeach Planner
Author: Altus Strydom
Publisher:
ISBN: 9781107630758
Category : Agriculture
Languages : en
Pages : 352
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Book Description
Study & Master Agricultural Sciences Grade 10 has been especially developed by an experienced author team for the Curriculum and Assessment Policy Statement (CAPS). This new and easy-to-use course helps learners to master essential content and skills in Agricultural Sciences. The comprehensive Learner's Book includes: * an expanded contents page indicating the CAPS coverage required for each topic * activities throughout that help develop learners' knowledge and skills * revision tasks and review at the end of each module that provides for consolidation of learning * case studies that link science to real-life situations and present balanced views on sensitive issues * 'information' boxes providing interesting additional information and 'Note' boxes that bring important information to the learner's attention * Glossary boxes to explain unfamiliar and difficult terms
Author: Adrian Schmit
Publisher: Hachette UK
ISBN: 144417164X
Category : Study Aids
Languages : en
Pages : 188
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Book Description
Written by experienced authors to cover the new WJEC GCSE Additional Science specification in full, this title provides all the ingredients for successful exam revision: relevant and accesible notes, examiner advice, and questions and answers on each key topic. This revision guide complements the WJEC GCSE Additional Science students textbook.
Author: Mark Levesley
Publisher:
ISBN: 9780997812091
Category :
Languages : en
Pages :
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