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Titre : |
A critique of permanent plot methods and analysis with examples from Budongo forest, Uganda
|
Auteur(s) : | D. Sheil |
Type de document : | Tiré à part |
Sujets : | TROPICAL RAIN FOREST ; FOREST DYNAMICS ; MORTALITY ; GROWTH ; RECRUITMENT |
Résumé : |
Permanent sample plot (PSP) studies play a major role in ecological and management research. Bias and error may arise in such studies at each stage of the assessment from plot establishment through to data interpretation, and can indermine confidence in the use of PSP data. This paper considers these problems and suggests how they might be identified and minimised. Examples are taken from Budongo forest, Uganda, whitch provides some of the world's longest-term PSP data from both primary and treated tropical forest (1939-1993 and 1933-1992 respectively). Three distinct types of artefact in PSP studies are recognised : errors in methodology, impact of methodology, and inappropriate analysis. Deficiencies in each aspect of plot evaluation can have considerable influence on the evaluation[...]
Permanent sample plot (PSP) studies play a major role in ecological and management research. Bias and error may arise in such studies at each stage of the assessment from plot establishment through to data interpretation, and can indermine confidence in the use of PSP data. This paper considers these problems and suggests how they might be identified and minimised. Examples are taken from Budongo forest, Uganda, whitch provides some of the world's longest-term PSP data from both primary and treated tropical forest (1939-1993 and 1933-1992 respectively). Three distinct types of artefact in PSP studies are recognised : errors in methodology, impact of methodology, and inappropriate analysis. Deficiencies in each aspect of plot evaluation can have considerable influence on the evaluation of change with time and of differences between sites. Each technique can be controlled and/or improved. Data correction and "harmonisation" procedures are discussed. |
Editeur(s) : | Amsterdam : Elsevier science |
Date de publication : | 1995 |
Format : | pp. 11-34., ill., graph., tabl., nb réf. |
Langue(s) : | Anglais |
Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=151456 |
Exemplaires (2)
Localisation | Emplacement | Pôle | Section | Cote | Support | Disponibilité |
---|---|---|---|---|---|---|
Kourou | AgroParisTech-Kourou | SI TP14080 | Papier | Empruntable Disponible | ||
Kourou | AgroParisTech-Kourou | SI TP18522 | Papier | Empruntable Disponible |