Gildo V. Feitoza, Adriano C. Quaresma, Layon O. Demarchi, Tayane C. Carvalho, Viviane P. Klein, Gisele Biem Mori, Maria Teresa F. Piedade, Jochen Schöngart
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Furthermore, we also discuss the implications of forest fires on the resilience of <i>igapó</i> forests.</p>\n </section>\n \n <section>\n \n <h3> Location</h3>\n \n <p>Black-water floodplain forests of the Jaú National Park and adjacent regions, Central Amazonia, Brazil.</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>Floristic inventories of tree species with a diameter at breast height (DBH) ≥ 5 cm were compiled in 47 plots (625 m<sup>2</sup>; total area of 2.94 ha) considering a chronosequence which integrated successional stages of nine distinct fire occurrences associated with El Niño episodes during the period 1982–2017. AGWB estimates were derived from measurements of diameter, wood density, and tree height, applying a pantropical allometric model. Changes in density, diversity, species composition, and AGWB were analyzed based on the occurrence of fires, and physicochemical soil characteristics (0–20 cm depth), obtained from each plot.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>A total of 3880 individuals comprising 77 tree species from 29 botanical families were recorded. The dominant families were Fabaceae, Euphorbiaceae, Rubiaceae, Malpighiaceae, Phyllanthaceae, and Lecythidaceae. Time since fire occurrence explained much of the gradual increase in species richness, diversity, density, AGWB stocks, and changes in floristic composition, while soil conditions played a minor role.</p>\n </section>\n \n <section>\n \n <h3> Conclusions</h3>\n \n <p>Black-water floodplain forests need long periods to recover after a single fire disturbance. Even after 36 years, regenerating forests exhibit lower species diversity and AGWB stocks than late-successional stages (> 100 years) of <i>igapó</i> forests. This reinforces the need to enhance conservation efforts to prevent fires in this vulnerable ecosystem.</p>\n </section>\n </div>","PeriodicalId":55494,"journal":{"name":"Applied Vegetation Science","volume":"28 3","pages":""},"PeriodicalIF":2.6000,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/avsc.70039","citationCount":"0","resultStr":"{\"title\":\"Dynamics of Post-Fire Succession in Black-Water Floodplain Forests of Central Amazonia: Insights From a 36-Year Chronosequence\",\"authors\":\"Gildo V. Feitoza, Adriano C. Quaresma, Layon O. Demarchi, Tayane C. Carvalho, Viviane P. Klein, Gisele Biem Mori, Maria Teresa F. Piedade, Jochen Schöngart\",\"doi\":\"10.1111/avsc.70039\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Questions</h3>\\n \\n <p>Understanding the dynamics of species composition and ecosystem recovery after fire disturbance is essential for effective conservation and management strategies in the Amazon biome. This study aimed to elucidate the post-fire succession of black-water floodplain forests (termed “<i>igapó</i>” in Brazil) during a 36-year chronosequence, analyzing changes in density, diversity, composition, and aboveground wood biomass (AGWB) of tree species. Furthermore, we also discuss the implications of forest fires on the resilience of <i>igapó</i> forests.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Location</h3>\\n \\n <p>Black-water floodplain forests of the Jaú National Park and adjacent regions, Central Amazonia, Brazil.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Methods</h3>\\n \\n <p>Floristic inventories of tree species with a diameter at breast height (DBH) ≥ 5 cm were compiled in 47 plots (625 m<sup>2</sup>; total area of 2.94 ha) considering a chronosequence which integrated successional stages of nine distinct fire occurrences associated with El Niño episodes during the period 1982–2017. AGWB estimates were derived from measurements of diameter, wood density, and tree height, applying a pantropical allometric model. Changes in density, diversity, species composition, and AGWB were analyzed based on the occurrence of fires, and physicochemical soil characteristics (0–20 cm depth), obtained from each plot.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>A total of 3880 individuals comprising 77 tree species from 29 botanical families were recorded. The dominant families were Fabaceae, Euphorbiaceae, Rubiaceae, Malpighiaceae, Phyllanthaceae, and Lecythidaceae. Time since fire occurrence explained much of the gradual increase in species richness, diversity, density, AGWB stocks, and changes in floristic composition, while soil conditions played a minor role.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Conclusions</h3>\\n \\n <p>Black-water floodplain forests need long periods to recover after a single fire disturbance. Even after 36 years, regenerating forests exhibit lower species diversity and AGWB stocks than late-successional stages (> 100 years) of <i>igapó</i> forests. 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Dynamics of Post-Fire Succession in Black-Water Floodplain Forests of Central Amazonia: Insights From a 36-Year Chronosequence
Questions
Understanding the dynamics of species composition and ecosystem recovery after fire disturbance is essential for effective conservation and management strategies in the Amazon biome. This study aimed to elucidate the post-fire succession of black-water floodplain forests (termed “igapó” in Brazil) during a 36-year chronosequence, analyzing changes in density, diversity, composition, and aboveground wood biomass (AGWB) of tree species. Furthermore, we also discuss the implications of forest fires on the resilience of igapó forests.
Location
Black-water floodplain forests of the Jaú National Park and adjacent regions, Central Amazonia, Brazil.
Methods
Floristic inventories of tree species with a diameter at breast height (DBH) ≥ 5 cm were compiled in 47 plots (625 m2; total area of 2.94 ha) considering a chronosequence which integrated successional stages of nine distinct fire occurrences associated with El Niño episodes during the period 1982–2017. AGWB estimates were derived from measurements of diameter, wood density, and tree height, applying a pantropical allometric model. Changes in density, diversity, species composition, and AGWB were analyzed based on the occurrence of fires, and physicochemical soil characteristics (0–20 cm depth), obtained from each plot.
Results
A total of 3880 individuals comprising 77 tree species from 29 botanical families were recorded. The dominant families were Fabaceae, Euphorbiaceae, Rubiaceae, Malpighiaceae, Phyllanthaceae, and Lecythidaceae. Time since fire occurrence explained much of the gradual increase in species richness, diversity, density, AGWB stocks, and changes in floristic composition, while soil conditions played a minor role.
Conclusions
Black-water floodplain forests need long periods to recover after a single fire disturbance. Even after 36 years, regenerating forests exhibit lower species diversity and AGWB stocks than late-successional stages (> 100 years) of igapó forests. This reinforces the need to enhance conservation efforts to prevent fires in this vulnerable ecosystem.
期刊介绍：
Applied Vegetation Science focuses on community-level topics relevant to human interaction with vegetation, including global change, nature conservation, nature management, restoration of plant communities and of natural habitats, and the planning of semi-natural and urban landscapes. Vegetation survey, modelling and remote-sensing applications are welcome. Papers on vegetation science which do not fit to this scope (do not have an applied aspect and are not vegetation survey) should be directed to our associate journal, the Journal of Vegetation Science. Both journals publish papers on the ecology of a single species only if it plays a key role in structuring plant communities.
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