Successional trajectories of secondary forests and tree plantations in Costa Rican lowlands
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| Format: | Artículo científico |
| Language: | en |
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Universidad de Costa Rica
2019
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| author | J. Benjamin Longworth |
| author_facet | J. Benjamin Longworth |
| contents | Successional trajectories of secondary forests and tree plantations in Costa Rican lowlands J. Benjamin Longworth G. Bruce Williamson Biología Basal area stem density tropical forest species richness functional groups Tree plantations used for carbon sequestration or forest restoration often support diverse plant communities. However, it is unknown how rates of successional change in tree plantations compare to secondary forests. In this study, we compared the successional trajectory of tree plantations to that of secondary forests that were between 8 and 23 years old. Censuses of woody plants (≥ 2 cm dbh diameter at breast height) in seven tree plantation plots and seven secondary forest plots (30 × 30 m) were conducted over three years (May 2013-July 2016) in a lowland tropical forest. Secondary forests were naturally regenerating from abandoned cattle pastures. Tree plantations were monocultures of two different native species (Vochysia guatemalensis and Hieronyma alchorneoides), planted for carbon sequestration. We measured the change in stem density, basal area, species density, rarefied species richness, and relative abundance of different growth forms and regeneration guilds. We found that differences in stem density and basal area between these two forest types were declining. Nevertheless, we did not find evidence for differences between forest types in the rate of accumulation of species richness when accounting for sample size. On the other hand, even though the successional trajectory in tree plantations was very similar to secondary forests, there were differences between forest types in species composition. The rate of change in relative abundance of different growth forms and regeneration guilds was similar in both forest types. Overall, our results suggest that structural - but not compositional differences - between tree plantations and secondary forests are converging during the second decade of succession. 2019 artículo científico 0034-7744 https://www.redalyc.org/articulo.oa?id=44965908010 https://www.redalyc.org/journal/449/44965908010/ https://www.redalyc.org/journal/449/44965908010/html/ https://www.redalyc.org/journal/449/44965908010/44965908010.epub https://www.redalyc.org/journal/449/44965908010/movil DOI 10.15517/RBT.V67I6.31977 en http://www.redalyc.org/revista.oa?id=449 Revista de Biología Tropical application/pdf Universidad de Costa Rica Revista de Biología Tropical (Costa Rica) Num.6 Vol.67 |
| format | Artículo científico |
| id | redalyc_44965908010 |
| institution | Redalyc |
| language | en |
| publishDate | 2019 |
| publisher | Universidad de Costa Rica |
| spellingShingle | Successional trajectories of secondary forests and tree plantations in Costa Rican lowlands J. Benjamin Longworth Biología Basal area stem density tropical forest species richness functional groups Successional trajectories of secondary forests and tree plantations in Costa Rican lowlands J. Benjamin Longworth G. Bruce Williamson Biología Basal area stem density tropical forest species richness functional groups Tree plantations used for carbon sequestration or forest restoration often support diverse plant communities. However, it is unknown how rates of successional change in tree plantations compare to secondary forests. In this study, we compared the successional trajectory of tree plantations to that of secondary forests that were between 8 and 23 years old. Censuses of woody plants (≥ 2 cm dbh diameter at breast height) in seven tree plantation plots and seven secondary forest plots (30 × 30 m) were conducted over three years (May 2013-July 2016) in a lowland tropical forest. Secondary forests were naturally regenerating from abandoned cattle pastures. Tree plantations were monocultures of two different native species (Vochysia guatemalensis and Hieronyma alchorneoides), planted for carbon sequestration. We measured the change in stem density, basal area, species density, rarefied species richness, and relative abundance of different growth forms and regeneration guilds. We found that differences in stem density and basal area between these two forest types were declining. Nevertheless, we did not find evidence for differences between forest types in the rate of accumulation of species richness when accounting for sample size. On the other hand, even though the successional trajectory in tree plantations was very similar to secondary forests, there were differences between forest types in species composition. The rate of change in relative abundance of different growth forms and regeneration guilds was similar in both forest types. Overall, our results suggest that structural - but not compositional differences - between tree plantations and secondary forests are converging during the second decade of succession. 2019 artículo científico 0034-7744 https://www.redalyc.org/articulo.oa?id=44965908010 https://www.redalyc.org/journal/449/44965908010/ https://www.redalyc.org/journal/449/44965908010/html/ https://www.redalyc.org/journal/449/44965908010/44965908010.epub https://www.redalyc.org/journal/449/44965908010/movil DOI 10.15517/RBT.V67I6.31977 en http://www.redalyc.org/revista.oa?id=449 Revista de Biología Tropical application/pdf Universidad de Costa Rica Revista de Biología Tropical (Costa Rica) Num.6 Vol.67 |
| title | Successional trajectories of secondary forests and tree plantations in Costa Rican lowlands |
| topic | Biología Basal area stem density tropical forest species richness functional groups |
| url | https://www.redalyc.org/articulo.oa?id=44965908010 https://www.redalyc.org/journal/449/44965908010/ https://www.redalyc.org/journal/449/44965908010/html/ https://www.redalyc.org/journal/449/44965908010/44965908010.epub https://www.redalyc.org/journal/449/44965908010/movil |