Stand dynamics and basal area change in a tropical dry forest reserve in Nicaragua. Marín, G. C., Nygård, R., Rivas, B. G., & Oden, P. C. Forest Ecology and Management, 208(1):63–75, April, 2005. ![Stand dynamics and basal area change in a tropical dry forest reserve in Nicaragua [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Stand dynamics and basal area change were determined in deciduous and gallery forest types at the Chacocente Wildlife Reserve, Nicaragua. All stems ≥10cmdbh in 4ha were tagged and identified by species and measured in 1993 and 2000. In year 2000 totally 519 stemsha−1 with a basal area of 15.62m2ha−1 were recorded in the deciduous forest type and corresponding figures were 308 stemsha−1 and 23.13m2ha−1 for the gallery forest type. Comparison of stem diameter and basal area distribution during this study period revealed no changes. Both forests types had a reversed J-shape diameter distribution dominated (\textgreater80%) by small stems (\textless30cmdbh). In the deciduous forest small stems contributed to more than half of the basal area, whereas in the gallery forest large stems (\textgreater70cmdbh) contributed to almost half the basal area. Based on a logarithmic model the mortality and recruitment rates were calculated at 4.5 and 2.5%year−1, respectively, in the deciduous forest type and 4.2 and 4.0% in the gallery forest type. The decrease in stand density in the deciduous forest type was significant whereas it was not the case for the gallery forest type. There was also a significant decrease in basal area of 1.2%year−1 in the deciduous forest and no change in the gallery forest. The recorded median diameter (dbh) increment was 0.14cmyear−1 with a range of 1.21cmyear−1 in the deciduous forest type and corresponding figures for the gallery forest were 0.24cmyear−1 and 0.71cmyear−1. Three of the five most common species in the deciduous forest, Lonchocarpus minimiflorus, Gyrocarpus americanus and Stemmadenia ovovata had mortality rates above 9%. Although L. minimiflorus and S. ovovata had recruitment rates above average the net balance was negative. Among the five most common species only Tabebuia ochracea a timber species had an annual recruitment higher than its mortality rate. Non-timber species as a group had the largest calculated negative balance between mortality and recruitment as well as between loss and gain of basal area indicating a possible anthropogenic influence. In the gallery forest Capparis pachaca was the only species, out of the most common, with a positive annual balance. In both forest types there was a higher than average calculated recruitment and basal area growth for species with no local use.
@article{marin_stand_2005,
title = {Stand dynamics and basal area change in a tropical dry forest reserve in {Nicaragua}},
volume = {208},
issn = {0378-1127},
url = {https://www.sciencedirect.com/science/article/pii/S0378112704008278},
doi = {10/ck4828},
abstract = {Stand dynamics and basal area change were determined in deciduous and gallery forest types at the Chacocente Wildlife Reserve, Nicaragua. All stems ≥10cmdbh in 4ha were tagged and identified by species and measured in 1993 and 2000. In year 2000 totally 519 stemsha−1 with a basal area of 15.62m2ha−1 were recorded in the deciduous forest type and corresponding figures were 308 stemsha−1 and 23.13m2ha−1 for the gallery forest type. Comparison of stem diameter and basal area distribution during this study period revealed no changes. Both forests types had a reversed J-shape diameter distribution dominated ({\textgreater}80\%) by small stems ({\textless}30cmdbh). In the deciduous forest small stems contributed to more than half of the basal area, whereas in the gallery forest large stems ({\textgreater}70cmdbh) contributed to almost half the basal area. Based on a logarithmic model the mortality and recruitment rates were calculated at 4.5 and 2.5\%year−1, respectively, in the deciduous forest type and 4.2 and 4.0\% in the gallery forest type. The decrease in stand density in the deciduous forest type was significant whereas it was not the case for the gallery forest type. There was also a significant decrease in basal area of 1.2\%year−1 in the deciduous forest and no change in the gallery forest. The recorded median diameter (dbh) increment was 0.14cmyear−1 with a range of 1.21cmyear−1 in the deciduous forest type and corresponding figures for the gallery forest were 0.24cmyear−1 and 0.71cmyear−1. Three of the five most common species in the deciduous forest, Lonchocarpus minimiflorus, Gyrocarpus americanus and Stemmadenia ovovata had mortality rates above 9\%. Although L. minimiflorus and S. ovovata had recruitment rates above average the net balance was negative. Among the five most common species only Tabebuia ochracea a timber species had an annual recruitment higher than its mortality rate. Non-timber species as a group had the largest calculated negative balance between mortality and recruitment as well as between loss and gain of basal area indicating a possible anthropogenic influence. In the gallery forest Capparis pachaca was the only species, out of the most common, with a positive annual balance. In both forest types there was a higher than average calculated recruitment and basal area growth for species with no local use.},
language = {en},
number = {1},
urldate = {2021-06-11},
journal = {Forest Ecology and Management},
author = {Marín, Guillermo Castro and Nygård, Robert and Rivas, Benigno Gonzales and Oden, Per Christer},
month = apr,
year = {2005},
keywords = {Chacocente Wildlife Reserve, Diameter increment, Dry deciduous forest, Gain, Gallery forest, Ingrowth, Loss, Mortality, Recruitment},
pages = {63--75},
}
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Comparison of stem diameter and basal area distribution during this study period revealed no changes. Both forests types had a reversed J-shape diameter distribution dominated (\\textgreater80%) by small stems (\\textless30cmdbh). In the deciduous forest small stems contributed to more than half of the basal area, whereas in the gallery forest large stems (\\textgreater70cmdbh) contributed to almost half the basal area. Based on a logarithmic model the mortality and recruitment rates were calculated at 4.5 and 2.5%year−1, respectively, in the deciduous forest type and 4.2 and 4.0% in the gallery forest type. The decrease in stand density in the deciduous forest type was significant whereas it was not the case for the gallery forest type. There was also a significant decrease in basal area of 1.2%year−1 in the deciduous forest and no change in the gallery forest. The recorded median diameter (dbh) increment was 0.14cmyear−1 with a range of 1.21cmyear−1 in the deciduous forest type and corresponding figures for the gallery forest were 0.24cmyear−1 and 0.71cmyear−1. Three of the five most common species in the deciduous forest, Lonchocarpus minimiflorus, Gyrocarpus americanus and Stemmadenia ovovata had mortality rates above 9%. Although L. minimiflorus and S. ovovata had recruitment rates above average the net balance was negative. Among the five most common species only Tabebuia ochracea a timber species had an annual recruitment higher than its mortality rate. Non-timber species as a group had the largest calculated negative balance between mortality and recruitment as well as between loss and gain of basal area indicating a possible anthropogenic influence. In the gallery forest Capparis pachaca was the only species, out of the most common, with a positive annual balance. 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All stems ≥10cmdbh in 4ha were tagged and identified by species and measured in 1993 and 2000. In year 2000 totally 519 stemsha−1 with a basal area of 15.62m2ha−1 were recorded in the deciduous forest type and corresponding figures were 308 stemsha−1 and 23.13m2ha−1 for the gallery forest type. Comparison of stem diameter and basal area distribution during this study period revealed no changes. Both forests types had a reversed J-shape diameter distribution dominated ({\\textgreater}80\\%) by small stems ({\\textless}30cmdbh). In the deciduous forest small stems contributed to more than half of the basal area, whereas in the gallery forest large stems ({\\textgreater}70cmdbh) contributed to almost half the basal area. Based on a logarithmic model the mortality and recruitment rates were calculated at 4.5 and 2.5\\%year−1, respectively, in the deciduous forest type and 4.2 and 4.0\\% in the gallery forest type. The decrease in stand density in the deciduous forest type was significant whereas it was not the case for the gallery forest type. There was also a significant decrease in basal area of 1.2\\%year−1 in the deciduous forest and no change in the gallery forest. The recorded median diameter (dbh) increment was 0.14cmyear−1 with a range of 1.21cmyear−1 in the deciduous forest type and corresponding figures for the gallery forest were 0.24cmyear−1 and 0.71cmyear−1. Three of the five most common species in the deciduous forest, Lonchocarpus minimiflorus, Gyrocarpus americanus and Stemmadenia ovovata had mortality rates above 9\\%. Although L. minimiflorus and S. ovovata had recruitment rates above average the net balance was negative. Among the five most common species only Tabebuia ochracea a timber species had an annual recruitment higher than its mortality rate. 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