方舟
发表于 2025-3-25 06:04:27
https://doi.org/10.1007/978-94-011-8915-6es. Since Schwickerath (1931, 1938, 1940) and Tüxen & Ellenberg (1937) published their transformations there has been discussion on the way the scale values should be used in calculations Qualitative approaches, i.e. based on presence and absence have also been favoured (e.g. Williams & Lambert 1959
certitude
发表于 2025-3-25 09:48:06
Don J. Turkington,David F. Smithin the classification of plant communities of large geographical areas (van der Maarel, Orlóci & Pignatti 1976). The numerical classification of European ., by Kortekaas, van der Maarel & Beeftink (1976), is an example. Notwithstanding the fact that there are automated procedures available to classi
得罪
发表于 2025-3-25 13:10:52
Problem Definition and Conflict Managementosociologists to turn interest to theoretical vegetation science (cf. Lausi 1972, Lausi 1973, Westhoff & van der Maarel 1978, van der Maarel 1975). The aim of the present paper is to contribute further to this topic by discussing a hierarchical classification of European salt marsh communities based
PALL
发表于 2025-3-25 16:38:27
A System for Coding Plant Species for Data-Processing in Phytosociology,he Working Group for Data Processing in Phytosociology) gave an account of the method proposed. Since this time, the method has been used subsequently for different tasks (storage of information, ordination, elaboration) without serious incovenience and it has become more and more complete. It is now known to members as the ..
Cardiac
发表于 2025-3-25 21:26:54
http://reply.papertrans.cn/27/2634/263340/263340_25.png
Neutropenia
发表于 2025-3-26 03:44:34
Inertia. Basic Equations for the InterfaceI know that group recognition is a subject of great interest to this group. I realize, of course, that there are preferences for different methods, according to different objectives.
semble
发表于 2025-3-26 05:07:53
http://reply.papertrans.cn/27/2634/263340/263340_27.png
LAVE
发表于 2025-3-26 12:12:13
http://reply.papertrans.cn/27/2634/263340/263340_28.png
富足女人
发表于 2025-3-26 15:48:59
http://reply.papertrans.cn/27/2634/263340/263340_29.png
勋章
发表于 2025-3-26 19:59:43
http://reply.papertrans.cn/27/2634/263340/263340_30.png