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Showing results for: [ Terrestrial Ecology ]
We present repeated stem measurement data from 20, 0.5 ha (100 m x 50 m) permanent rainforest plots in northern Queensland, Australia from 1971 to 2013. The plots have a rainfall range of 1200 to 350... more0 mm, represent eleven vegetation types, six parent materials, and range from 15 m to 1200 m above sea level. Except for minor disturbances associated with selective logging on two plots, the plots were established in old growth forest and all plots have thereafter been protected. Plots were regularly censused and at each census the diameter at breast height (DBH) of all stems ≥10 cm DBH were recorded. Data is presented for 10998 individual stems with plot stem densities at establishment ranging from 476 to 1104 stems ha-1. Due to the wide geographical range of the plots, no species dominate, although the families Lauraceae, Rutaceae and Myrtaceae contribute a large number of species. Basal area values at establishment ranged from 28.6 to 63.3 m2 ha-1 and showed no trend of increasing or decreasing over time due mainly to regular disturbance and recovery from natural events such as cyclones. In addition to stems ≥10 cm DBH data, we present height data, floristic data from understory stems (≥50 cm height to <10 cm DBH), an auxiliary species list (including vines, epiphytes, ferns, grasses, herbs and other life forms), and a list of voucher specimens lodged in herbaria. The data collected from the 20 plots provides an insight into the floristics, structure and long term forest dynamics of Australian tropical rainforests and allows direct comparisons to be made with long-term monitoring plots at a global scale.less
1173.2 TERN (ANU): Permanent Plots - CSIRO Rainforest Permanent Plots of North Queensland - Published 19 Jun 2017
The global effective plant rooting depth (unit: meter) datasets contains a climatological map of mean effective plant rooting depth over 1982-2010 at 0.5 degree spatial resolution based on Guswa's Car... morebon Cost-Benefit model. A detailed description of the method, input data and hydrological validation of the effectiveness of the estimated rooting depth can be found in Yang et al. (2016).
Guswa, A.J. (2008), The influence of climate on root depth: A carbon cost-benefit analysis, Water Resources Research, 44(2), W02427, doi: 10.1029/2007WR006384.
Yang, Y.T., Donohue, R.J., McVicar, T.R. (2016), Global estimation of effective plant rooting depth: Implication for hydrological modelling, Water Resource Research, In press.less
Legacy data - Global Effective Plant Rooting Depth - Published 25 Nov 2016
File 1: counts of pollen per open flower collected in almond orchards, at known distance from honeybee hives
File 2: fruit set from open pollinated and hand pollinated almond flowers at known distance... more from honeybee hive placements
File 3: fruit set from open pollinated and hand pollinated almond flowers in almond orchard blocks with a range of different colony per hectare densities.
This research was supported by funding from Horticulture Australia Limited, including levies paid by the almond industry.less
1180.4 HAL: Efficient Almond Pollination - pollen counts and fruit set counts - Published 03 Nov 2015