Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN)
Aims To describe the structural and floristic diversity of New Caledonian mixed tropical rain forest and investigate its environmental determinants. Location New Caledonia (SW Pacific), a biodiversity hotspot. Methods Structural (stem density, basal area) and floristic characteristics (composition, species richness and dissimilarity) were investigated along environmental gradients (elevation, rainfall and slope) on different substrates (ultramafic and non-ultramafic) through the New Caledonian Plant Inventory and Permanent Plots Network (NC-PIPPN, 201 plots each measuring 20 m x 20 m). Results A total of 28,640 trees (DBH ?5 cm) belonging to 749 species, 240 genera and 92 families were inventoried in the NC-PIPPN. The New Caledonian mixed rain forest studied was characterized as having high stem density, basal area and species richness, and many small stems (60% of the trees <10 cm DBH and almost a quarter of species did not exceed this threshold). More than one-third of the species were rare (i.e. inventoried in less than three plots or represented by fewer than three individuals) in the plot network and floristic dissimilarity was high (Bray-Curtis index >0.70). The presence of ultramafic (UM) and non- ultramafic substrates (non-UM) combined with altitudinal and rainfall gradients were the main drivers of floristic dissimilarity, whereas the effect of geographic distance between the plots was surprisingly low. Floristic dissimilarity was very high between UM and non-UM substrates from species up to family level. About 75% of the species occurred on a single substrate type. The mixed rain forest on UM and non-UM substrates differed in floristic composition but not in structure. Conclusions NC-PIPPN proved to be an effective tool for investigating the woody species richness of New Caledonia as containing ca. 46% of its non-herbaceous species. However, the network's design, and more specifically its small plots, restricts its capacity to capture beta diversity and forest structure. High species richness and floristic dissimilarity confirm that New Caledonian mixed rain forest is exceptionally rich.
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Subjects: | K01 - Foresterie - Considérations générales, F70 - Taxonomie végétale et phytogéographie, forêt tropicale humide, inventaire forestier, composition botanique, type de sol chimique, métal lourd, biodiversité, http://aims.fao.org/aos/agrovoc/c_7976, http://aims.fao.org/aos/agrovoc/c_24174, http://aims.fao.org/aos/agrovoc/c_15945, http://aims.fao.org/aos/agrovoc/c_1519, http://aims.fao.org/aos/agrovoc/c_2223, http://aims.fao.org/aos/agrovoc/c_33949, http://aims.fao.org/aos/agrovoc/c_5155, http://aims.fao.org/aos/agrovoc/c_3081, |
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dig-cirad-fr-5736912024-01-28T22:07:57Z http://agritrop.cirad.fr/573691/ http://agritrop.cirad.fr/573691/ Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN). Ibanez Thomas, Munzinger Jérôme, Dagostini Gilles, Hequet Vanessa, Rigault Frédéric, Jaffré Tanguy, Birnbaum Philippe. 2014. Applied Vegetation Science, 17 (3) : 386-397.https://doi.org/10.1111/avsc.12070 <https://doi.org/10.1111/avsc.12070> Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN) Ibanez, Thomas Munzinger, Jérôme Dagostini, Gilles Hequet, Vanessa Rigault, Frédéric Jaffré, Tanguy Birnbaum, Philippe eng 2014 Applied Vegetation Science K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie forêt tropicale humide inventaire forestier composition botanique type de sol chimique métal lourd biodiversité http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_24174 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_1519 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_33949 Nouvelle-Calédonie France http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 Aims To describe the structural and floristic diversity of New Caledonian mixed tropical rain forest and investigate its environmental determinants. Location New Caledonia (SW Pacific), a biodiversity hotspot. Methods Structural (stem density, basal area) and floristic characteristics (composition, species richness and dissimilarity) were investigated along environmental gradients (elevation, rainfall and slope) on different substrates (ultramafic and non-ultramafic) through the New Caledonian Plant Inventory and Permanent Plots Network (NC-PIPPN, 201 plots each measuring 20 m x 20 m). Results A total of 28,640 trees (DBH ?5 cm) belonging to 749 species, 240 genera and 92 families were inventoried in the NC-PIPPN. The New Caledonian mixed rain forest studied was characterized as having high stem density, basal area and species richness, and many small stems (60% of the trees <10 cm DBH and almost a quarter of species did not exceed this threshold). More than one-third of the species were rare (i.e. inventoried in less than three plots or represented by fewer than three individuals) in the plot network and floristic dissimilarity was high (Bray-Curtis index >0.70). The presence of ultramafic (UM) and non- ultramafic substrates (non-UM) combined with altitudinal and rainfall gradients were the main drivers of floristic dissimilarity, whereas the effect of geographic distance between the plots was surprisingly low. Floristic dissimilarity was very high between UM and non-UM substrates from species up to family level. About 75% of the species occurred on a single substrate type. The mixed rain forest on UM and non-UM substrates differed in floristic composition but not in structure. Conclusions NC-PIPPN proved to be an effective tool for investigating the woody species richness of New Caledonia as containing ca. 46% of its non-herbaceous species. However, the network's design, and more specifically its small plots, restricts its capacity to capture beta diversity and forest structure. High species richness and floristic dissimilarity confirm that New Caledonian mixed rain forest is exceptionally rich. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/573691/1/document_573691.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1111/avsc.12070 10.1111/avsc.12070 info:eu-repo/semantics/altIdentifier/doi/10.1111/avsc.12070 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1111/avsc.12070 |
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K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie forêt tropicale humide inventaire forestier composition botanique type de sol chimique métal lourd biodiversité http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_24174 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_1519 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_33949 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie forêt tropicale humide inventaire forestier composition botanique type de sol chimique métal lourd biodiversité http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_24174 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_1519 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_33949 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 |
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K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie forêt tropicale humide inventaire forestier composition botanique type de sol chimique métal lourd biodiversité http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_24174 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_1519 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_33949 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie forêt tropicale humide inventaire forestier composition botanique type de sol chimique métal lourd biodiversité http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_24174 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_1519 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_33949 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 Ibanez, Thomas Munzinger, Jérôme Dagostini, Gilles Hequet, Vanessa Rigault, Frédéric Jaffré, Tanguy Birnbaum, Philippe Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN) |
description |
Aims To describe the structural and floristic diversity of New Caledonian mixed tropical rain forest and investigate its environmental determinants. Location New Caledonia (SW Pacific), a biodiversity hotspot. Methods Structural (stem density, basal area) and floristic characteristics (composition, species richness and dissimilarity) were investigated along environmental gradients (elevation, rainfall and slope) on different substrates (ultramafic and non-ultramafic) through the New Caledonian Plant Inventory and Permanent Plots Network (NC-PIPPN, 201 plots each measuring 20 m x 20 m). Results A total of 28,640 trees (DBH ?5 cm) belonging to 749 species, 240 genera and 92 families were inventoried in the NC-PIPPN. The New Caledonian mixed rain forest studied was characterized as having high stem density, basal area and species richness, and many small stems (60% of the trees <10 cm DBH and almost a quarter of species did not exceed this threshold). More than one-third of the species were rare (i.e. inventoried in less than three plots or represented by fewer than three individuals) in the plot network and floristic dissimilarity was high (Bray-Curtis index >0.70). The presence of ultramafic (UM) and non- ultramafic substrates (non-UM) combined with altitudinal and rainfall gradients were the main drivers of floristic dissimilarity, whereas the effect of geographic distance between the plots was surprisingly low. Floristic dissimilarity was very high between UM and non-UM substrates from species up to family level. About 75% of the species occurred on a single substrate type. The mixed rain forest on UM and non-UM substrates differed in floristic composition but not in structure. Conclusions NC-PIPPN proved to be an effective tool for investigating the woody species richness of New Caledonia as containing ca. 46% of its non-herbaceous species. However, the network's design, and more specifically its small plots, restricts its capacity to capture beta diversity and forest structure. High species richness and floristic dissimilarity confirm that New Caledonian mixed rain forest is exceptionally rich. |
format |
article |
topic_facet |
K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie forêt tropicale humide inventaire forestier composition botanique type de sol chimique métal lourd biodiversité http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_24174 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_1519 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_33949 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 |
author |
Ibanez, Thomas Munzinger, Jérôme Dagostini, Gilles Hequet, Vanessa Rigault, Frédéric Jaffré, Tanguy Birnbaum, Philippe |
author_facet |
Ibanez, Thomas Munzinger, Jérôme Dagostini, Gilles Hequet, Vanessa Rigault, Frédéric Jaffré, Tanguy Birnbaum, Philippe |
author_sort |
Ibanez, Thomas |
title |
Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN) |
title_short |
Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN) |
title_full |
Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN) |
title_fullStr |
Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN) |
title_full_unstemmed |
Structural and floristic diversity of mixed tropical rain forest in NewCaledonia: Newdata from the New Caledonian Plant Inventory and Permanent Plot Network (NC-PIPPN) |
title_sort |
structural and floristic diversity of mixed tropical rain forest in newcaledonia: newdata from the new caledonian plant inventory and permanent plot network (nc-pippn) |
url |
http://agritrop.cirad.fr/573691/ http://agritrop.cirad.fr/573691/1/document_573691.pdf |
work_keys_str_mv |
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