Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India)
Within the framework of a programme on the functioning of dense moist evergreen forests of the Western Ghats, the French Institute of Pondicherry. in collaboration with the Karnataka Forest Department. installed permanent plots to monitor the dynamics of a low elevation forest. The preliminary results of the comparison of the demographic processes in two compartments are presented : one compartment had never been harvested, while the other was selectively felled in 1979-1980. They are compared in terms of species composition, recruitment, mortality and individual growth, in order to describe the natural forest dynamics and evaluate the impact of selective felling. In both compartments, the mortality rate, around 0.9% yr-1, is lower than in other tropical moist evergreen forests, while the average diameter increment, at 2.1 (unlogged stand) and 2.9 mm yr-1 (logged stand), is higher. The impact of selective felling, 10 to 15 years after the harvest, is mainly noticeable : (i) on mortality of trees with dbh > 40 cm belonging to lower canopy and intermediate stratum species which died about four times more in the logged compartment : and (ii) on diameter increment of emergent and upper canopy tree species whose growth is still stimulated by about 50%. Despite the general trend of a reduction in the difference between the density and the basal area of the two compartments, medium-term modification of the demographic processes among the various structural ensembles in the logged compartment, indicates that selective felling may not be sustainabie in the long-term without consequences on the forest structure and composition.
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Format: | article biblioteca |
Language: | eng |
Subjects: | K10 - Production forestière, forêt tropicale humide, aménagement forestier, exploitation forestière, dynamique des populations, croissance, mortalité, sélection, composition botanique, échantillonnage, forêt dense, http://aims.fao.org/aos/agrovoc/c_7976, http://aims.fao.org/aos/agrovoc/c_16129, http://aims.fao.org/aos/agrovoc/c_7775, http://aims.fao.org/aos/agrovoc/c_6111, http://aims.fao.org/aos/agrovoc/c_3394, http://aims.fao.org/aos/agrovoc/c_4945, http://aims.fao.org/aos/agrovoc/c_6951, http://aims.fao.org/aos/agrovoc/c_15945, http://aims.fao.org/aos/agrovoc/c_6774, http://aims.fao.org/aos/agrovoc/c_1373981049431, http://aims.fao.org/aos/agrovoc/c_3825, |
Online Access: | http://agritrop.cirad.fr/390708/ http://agritrop.cirad.fr/390708/1/390708.pdf |
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dig-cirad-fr-3907082024-01-27T23:32:39Z http://agritrop.cirad.fr/390708/ http://agritrop.cirad.fr/390708/ Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India). Pélissier Raphaël, Pascal Jean Pierre, Houllier François, Laborde H.. 1998. Forest Ecology and Management, 105 : 107-119.https://doi.org/10.1016/S0378-1127(97)00275-2 <https://doi.org/10.1016/S0378-1127(97)00275-2> Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India) Pélissier, Raphaël Pascal, Jean Pierre Houllier, François Laborde, H. eng 1998 Forest Ecology and Management K10 - Production forestière forêt tropicale humide aménagement forestier exploitation forestière dynamique des populations croissance mortalité sélection composition botanique échantillonnage forêt dense http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_16129 http://aims.fao.org/aos/agrovoc/c_7775 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_6774 http://aims.fao.org/aos/agrovoc/c_1373981049431 Inde http://aims.fao.org/aos/agrovoc/c_3825 Within the framework of a programme on the functioning of dense moist evergreen forests of the Western Ghats, the French Institute of Pondicherry. in collaboration with the Karnataka Forest Department. installed permanent plots to monitor the dynamics of a low elevation forest. The preliminary results of the comparison of the demographic processes in two compartments are presented : one compartment had never been harvested, while the other was selectively felled in 1979-1980. They are compared in terms of species composition, recruitment, mortality and individual growth, in order to describe the natural forest dynamics and evaluate the impact of selective felling. In both compartments, the mortality rate, around 0.9% yr-1, is lower than in other tropical moist evergreen forests, while the average diameter increment, at 2.1 (unlogged stand) and 2.9 mm yr-1 (logged stand), is higher. The impact of selective felling, 10 to 15 years after the harvest, is mainly noticeable : (i) on mortality of trees with dbh > 40 cm belonging to lower canopy and intermediate stratum species which died about four times more in the logged compartment : and (ii) on diameter increment of emergent and upper canopy tree species whose growth is still stimulated by about 50%. Despite the general trend of a reduction in the difference between the density and the basal area of the two compartments, medium-term modification of the demographic processes among the various structural ensembles in the logged compartment, indicates that selective felling may not be sustainabie in the long-term without consequences on the forest structure and composition. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/390708/1/390708.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/S0378-1127(97)00275-2 10.1016/S0378-1127(97)00275-2 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=90388 info:eu-repo/semantics/altIdentifier/doi/10.1016/S0378-1127(97)00275-2 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/S0378-1127(97)00275-2 |
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K10 - Production forestière forêt tropicale humide aménagement forestier exploitation forestière dynamique des populations croissance mortalité sélection composition botanique échantillonnage forêt dense http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_16129 http://aims.fao.org/aos/agrovoc/c_7775 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_6774 http://aims.fao.org/aos/agrovoc/c_1373981049431 http://aims.fao.org/aos/agrovoc/c_3825 K10 - Production forestière forêt tropicale humide aménagement forestier exploitation forestière dynamique des populations croissance mortalité sélection composition botanique échantillonnage forêt dense http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_16129 http://aims.fao.org/aos/agrovoc/c_7775 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_6774 http://aims.fao.org/aos/agrovoc/c_1373981049431 http://aims.fao.org/aos/agrovoc/c_3825 |
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K10 - Production forestière forêt tropicale humide aménagement forestier exploitation forestière dynamique des populations croissance mortalité sélection composition botanique échantillonnage forêt dense http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_16129 http://aims.fao.org/aos/agrovoc/c_7775 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_6774 http://aims.fao.org/aos/agrovoc/c_1373981049431 http://aims.fao.org/aos/agrovoc/c_3825 K10 - Production forestière forêt tropicale humide aménagement forestier exploitation forestière dynamique des populations croissance mortalité sélection composition botanique échantillonnage forêt dense http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_16129 http://aims.fao.org/aos/agrovoc/c_7775 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_6774 http://aims.fao.org/aos/agrovoc/c_1373981049431 http://aims.fao.org/aos/agrovoc/c_3825 Pélissier, Raphaël Pascal, Jean Pierre Houllier, François Laborde, H. Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India) |
description |
Within the framework of a programme on the functioning of dense moist evergreen forests of the Western Ghats, the French Institute of Pondicherry. in collaboration with the Karnataka Forest Department. installed permanent plots to monitor the dynamics of a low elevation forest. The preliminary results of the comparison of the demographic processes in two compartments are presented : one compartment had never been harvested, while the other was selectively felled in 1979-1980. They are compared in terms of species composition, recruitment, mortality and individual growth, in order to describe the natural forest dynamics and evaluate the impact of selective felling. In both compartments, the mortality rate, around 0.9% yr-1, is lower than in other tropical moist evergreen forests, while the average diameter increment, at 2.1 (unlogged stand) and 2.9 mm yr-1 (logged stand), is higher. The impact of selective felling, 10 to 15 years after the harvest, is mainly noticeable : (i) on mortality of trees with dbh > 40 cm belonging to lower canopy and intermediate stratum species which died about four times more in the logged compartment : and (ii) on diameter increment of emergent and upper canopy tree species whose growth is still stimulated by about 50%. Despite the general trend of a reduction in the difference between the density and the basal area of the two compartments, medium-term modification of the demographic processes among the various structural ensembles in the logged compartment, indicates that selective felling may not be sustainabie in the long-term without consequences on the forest structure and composition. |
format |
article |
topic_facet |
K10 - Production forestière forêt tropicale humide aménagement forestier exploitation forestière dynamique des populations croissance mortalité sélection composition botanique échantillonnage forêt dense http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_16129 http://aims.fao.org/aos/agrovoc/c_7775 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_6774 http://aims.fao.org/aos/agrovoc/c_1373981049431 http://aims.fao.org/aos/agrovoc/c_3825 |
author |
Pélissier, Raphaël Pascal, Jean Pierre Houllier, François Laborde, H. |
author_facet |
Pélissier, Raphaël Pascal, Jean Pierre Houllier, François Laborde, H. |
author_sort |
Pélissier, Raphaël |
title |
Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India) |
title_short |
Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India) |
title_full |
Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India) |
title_fullStr |
Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India) |
title_full_unstemmed |
Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India) |
title_sort |
impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the western ghats (south india) |
url |
http://agritrop.cirad.fr/390708/ http://agritrop.cirad.fr/390708/1/390708.pdf |
work_keys_str_mv |
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_version_ |
1792491413778202624 |