Data from: Loss of animal seed dispersal increases extinction risk in a tropical tree species due to pervasive negative density dependence across life stages

Caughlin TT, Ferguson JM, Lichstein JW, Zuidema PA, Bunyavejchewin S, Levey DJ

Date Published: October 16, 2014

DOI: http://dx.doi.org/10.5061/dryad.v82b7

 

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Title Seedling growth and survival
Downloaded 21 times
Description This file describes the growth and survival of individual Miliusa horsfieldii (Annonaceae) seedlings censused annually in 3 m x 3 m plots from 2009-2011. Column 1 (PLOT_ID) is the unique identifier of each 3 m x 3 m plot, Column 2 (TAG) is the unique identifier of each seedling, Column 3 (HEIGHT_1) is the height (in cm) of each seedling during the first census, Column 4 (HEIGHT_2) is the height (in cm) of each seedling during the second census, Column 5 (SURVIVAL) is the survival of seedlings from the first to the second census (1=alive, 0=dead), and CONSPECIFIC_seedlings is the count of conspecific seedlings in 1 m x 1 m quadrats containing the focal seedling. The 11 columns titled "DBH_1" to "DBH_11" are the DBH (in cm) of neighboring conspecific trees in a 20 m radius. The 11 columns titled "DIS_1" to "DIS_11" are the distance (in m) of neighboring conspecific trees in a 20 m radius. "NA" values in the neighborhood matrices indicate 0 trees were present.
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Title Seed germination from seed addition experiment
Downloaded 11 times
Description Data on seed germination of Miliusa horsfieldii collected using a seed addition experiment in 95 plots. In these plots, a total of 6,500 marked seeds were added in 3 piles of 5, 15 or 45 seeds during June-July 2009 and monitored for survival for three months, at which time all seeds had either germinated or died. Column 1 (PLOT) is the unique identifier of each seed addition plot, Column 2 (GERMINANTS) is the total number of seeds that successfully germinated, column 3 (TOTAL_ADDED) is the total number of seeds added to each pile, and CONSPECIFIC_SEEDLINGS is the count of conspecific seedlings in 1 m x 1 m quadrats containing the focal seed pile. The four columns titled "DBH_1" to "DBH_4" are the DBH (in cm) of neighboring conspecific trees in a 10 m radius. The four columns titled "DIS_1" to "DIS_4" are the distance (in m) of neighboring conspecific trees in a 10 m radius. "NA" values in the neighborhood matrices indicate 0 trees were present.
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Title Fruit production as a function of tree size
Downloaded 9 times
Description Data on fruit production of Miliusa horsfieldii trees measured in June-July 2011. Fruits were counted in three 3 m x 3 m quadrats beneath 14 reproductive trees. Column 1 (FRUIT_COUNT) indicates the total number of fruits counted, Column 2 is the DBH of the focal tree (in cm) and Column 3 (TREE_ID) is a unique identifier for each individual tree.
Download TREES.csv (490 bytes)
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Title Counts of naturally-dispersed newly-established seedlings
Downloaded 10 times
Description Data on counts of newly established Miliusa horsfieldii (Annonaceae) seedlings censused in 3 m x 3 m plots. Column 1 (PLOT_ID) is the unique identifier of each 3 m x 3 m plot, Column 2 (RECRUIT_COUNTS) is the count of newly recruited seedlings in each plot, Column 3 (CONSPECIFIC_seedlings) is the count of previously established conspecific seedlings in 1 m x 1 m quadrats containing the recruits. The 11 columns titled "DBH_1" to "DBH_11" are the DBH (in cm) of neighboring conspecific trees in a 20 m radius. The 11 columns titled "DIS_1" to "DIS_11" are the distance (in m) of neighboring conspecific trees in a 20 m radius. "NA" values in the neighborhood matrices indicate 0 trees were present.
Download RECS.csv (174.6 Kb)
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When using this data, please cite the original publication:

Caughlin TT, Ferguson JM, Lichstein JW, Zuidema PA, Bunyavejchewin S, Levey DJ (2015) Loss of animal seed dispersal increases extinction risk in a tropical tree species due to pervasive negative density dependence across life stages. Proceedings of the Royal Society B 282(1798). http://dx.doi.org/10.1098/rspb.2014.2095

Additionally, please cite the Dryad data package:

Caughlin TT, Ferguson JM, Lichstein JW, Zuidema PA, Bunyavejchewin S, Levey DJ (2014) Data from: Loss of animal seed dispersal increases extinction risk in a tropical tree species due to pervasive negative density dependence across life stages. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.v82b7
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