Connell Rainforest Plot Network: Tropical Rainforest Tree Demographic Data, Davies Creek Plot, Dinden National Park, Queensland, Australia, 2015

Typecollection
TitleConnell Rainforest Plot Network: Tropical Rainforest Tree Demographic Data, Davies Creek Plot, Dinden National Park, Queensland, Australia, 2015
Alternate TitleConnell Rainforest Plot Network: Tropical Rainforest Tree Demographic Data, Dinden National Park Davies Creek, 2015
Collection TypeDataset
Access PrivilegesLong Term Ecological Research Network
DOI - Digital Object Identifier10.25911/5c3429f7613a1
Metadata LanguageEnglish
Data LanguageEnglish
Brief DescriptionThis rainforest tree data package comprises stand structure data for rainforest trees at the Davies Creek Plot in Dinden National Park, (25 km south west of Cairns), Queensland for 2015.
Full DescriptionAbstract: This rainforest tree data package comprises stand structure data for rainforest trees at the Davies Creek Plot in Dinden National Park, (25 km south west of Cairns), Queensland for 2015. This plot consists of one 1.7 hectare plot in tropical rainforest, established in 1963. Rainforest tree attributes recorded comprise the size (height or girth) of tagged and mapped, free-standing stems of shrub and tree species. Sampling has been undertaken at intervals of 1-6 years since 1963; this data package contains seedling recruitment census data of the plot. This data package forms part of the collection of vegetation data undertaken at plots situated in both Lamington National Park and Davies Creek initiated by Professor Joseph H. Connell (University of California, Santa Barbara) in 1963.

A synopsis of related data packages which have been collected as part of the Connell Rainforest Plot Network’s full program is provided at https://doi.org/10.25911/5c13444388e1b

Sampling method: The Dinden National Park Plot is a 1.7 hectare plot.The plot was selected by Prof. Joseph H. Connell in 1963 on the advice of his CSIRO collaborators Dr Len Webb and Mr Geoff Tracey, and was chosen for three reasons; it was accessible, it was unlogged, and a smaller 0.4 ha plot belonging to the Queensland Department of Forestry had already been established there in 1951. This plot is one of two plots established by Connell in 1963 – the other is in subtropical rainforest near O’Reilly’s Guesthouse in Lamington National Park, 65 km south of Brisbane. The same sampling methods are employed at both plots, at intervals of 1-6 years.

Project funding: The National Science Foundation was the sole funder of this research between 1963 and 2003. Between 2012 and 2018 this project was solely funded through the Long Term Ecological Research Network (LTERN) a facility within the Terrestrial Ecosystem Research Network (TERN) and supported by the Australian Government through the National Collaborative Research Infrastructure Strategy.

Methods

Number
1
Title
General
Description
Prof Joseph H. Connell (University of California, Santa Barbara) established a long-term forest dynamics plot in 1963, in tropical rainforest at Dinden National Park, 25 km south west of Cairns. The plot is 1.7 hectare, and was established over an existing an existing 0.4 ha plot established by the Queensland Department of Forestry in 1951. This plot has never been logged.
Although a summary of methods employed in the study has been provided below, the reader should refer to a comprehensive description of the methods and the plot configuration provided in the Conceptual Design (p 84) and accompanying documentation.
In summary, samples of trees in three broad size classes have been monitored on the plots over several decades. ‘Large trees’ (≥ 10.0 cm dbh) were first tagged, mapped and measured in 1963 across both plots. At the same time, ‘medium trees’ (2.5 cm dbh but < 10.0 cm dbh) were mapped and tagged along several belt transects 6.1 m wide running through the plot, centred on survey lines 20.1 m apart. The medium-tree belt transects comprise 30% of each plot. In 1965, ‘small trees’ (tiny seedlings to saplings < 2.5 cm dbh), were mapped and tagged along narrower transects either 1.8 or 3.6 m wide, centred on the same survey lines used to sample medium trees. Large trees rooted outside the plot boundaries, but whose canopies extended over the plots have also been monitored.
Large and medium trees are tagged with numbered aluminium tree tags inscribed with a unique number, nailed into the trunk with galvanized nails. Small trees are also tagged with numbered aluminium tags, attached to the plant using loops of insulated copper wire. The plots are laid out and trees are mapped using engineering units (feet and tenths of feet). Large and medium trees are measured for girth at breast height using inches and tenths of inches, and small trees are measured for height in feet and tenths of feet. These are converted to SI Units for analyses and publication. The belt transects comprise 30% of each plot. The seedlings of vines are occasionally tagged by inexperienced workers, but these are excluded from analyses.
Instrument
Measuring tapes especially imported from the United States – feet and tenths of feet, and inches and tenths of inches. Star pickets marks the ends of transects, and short steel posts mark transects at 25 feet intervals. Plants are tagged with numbered aluminium tags, attached to the plant using loops of insulated copper wire on smaller stems, or nailed onto larger stems. There are no environmental monitoring devices on the plot.


Number
2
Title
Natural disturbance monitoring
Description
Gaps created by the death of large canopy trees have been systematically surveyed many times over the decades until 2002, with the boundaries of the gaps being noted on hand drawn maps. These maps have never been digitized, and the originals are held at the University of California. Copies of some later maps are held by Peter Green at La Trobe University.
Instrument
See instrumentation details in "general" methods section.


Number
3
Title
Floristic identification, vouchers and lists
Description
Voucher specimens have been collected on an ad hoc basis over the years for many individuals on the plot. These specimens are subject to curation at La Trobe University. Species lists are updated as taxonomic changes are published. Major taxonomic revisions of the rainforest Myrtaceae and Lauraceae pose some problems for analyses. These revisions have erected many new species and changed old ones, and of course it is impossible to apply the revised taxonomy to unvouchered specimens (i.e. dead stems).
Instrument


Number
4
Title
Surveys for canopy cover and understorey light environments
Description
Stand structure, canopy cover and variation in understorey light environments have not been measured systematically on the plots. Under LTERN, new surveys for canopy cover and understorey light environments using hemispherical photography are being incorporated into regular plot monitoring.
Instrument


File Descriptions

Name
crft_davies_tree_demographic_data_2015_p339t557.csv
Description

absolute_x_coordinate
definitionAbsolute x-coordinate (feet)
ratio number typenatural
ratio standard unitfoot
absolute_y_coordinate
definitionAbsolute Y-coordinate (feet)
ratio number typenatural
ratio standard unitfoot
area
definitionLocation ID
nominal text definitionCharacter
comment
definitionComment
nominal text definitionCharacter
dead
date time formatYYYY
definitionDate of census that death was recorded.
family
definitionPlant family
nominal text definitionCharacter
girth_2015
definitionGirth in 2015
ratio number typenatural
ratio standard unitinch
height_2015
definitionHeight in 2015
ratio number typenatural
ratio standard unitfoot
index2
definitionIndex 2
nominal text definitionContained in data package
line
definitionLine number (belt transect numeric identifier)
nominal text definitionCharacter
map
date time formatYYYY
definitionDate the stem(s) were originally mapped.
number of records1339
number_replicates
definitionCount of recruit seedlings in a 3 x 3 feet square. A plant that is tagged, mapped and measured individually will be assigned replicate number of "1"
interval number typewhole
interval standard unitnumber
record_id
definitionRecord identification number
nominal text definitionCharacter
species
definitionScientific name
nominal text definitionCharacter
species_code
definitionSpecies code number
nominal text definitionCharacter
tag
definitionTag number Numeric identifier
nominal text definitionCharacter
x_coordinates
definitionX coordinates (ft) Chainage
interval number typewhole
interval standard unitfoot
y_coordinates
definitionY coordinates (ft) Chainage (feet)
interval number typewhole
interval standard unitfoot


Contact EmailP.Green@latrobe.edu.au
Contact AddressBiological Sciences II
LaTrobe University
Bundoora, Vic., 3086
Australia
Contact Phone Number+61 3 9479 3675
Contact Fax Number+61 3 9479 1188
Principal InvestigatorPeter Green
SupervisorsPeter Green
CollaboratorsDick Williams
Joseph Connell
Fields of Research0602 - Ecology
KeywordsGCMD:Biological Classification > Plants
GCMD:Biosphere > Ecological Dynamics > Community Dynamics
GCMD:Biosphere > Ecological Dynamics > Species/Population Dynamics
GCMD:Biosphere > Terrestrial Ecosystems > Forests
LTERN Monitoring Theme:Vegetation structure
LTERN Monitoring Theme:Plant species composition
LTERN Monitoring Theme:Plant species abundance
LTERN Monitoring Theme:Individual plants
LTERN Monitoring Theme:On plot weather
keyword:Girth
keyword:Height
keyword:Diameter
keyword:Population dynamics
keyword:Seedling recruitment
keyword:Tropical
Connell Rainforest
Davies Creek
Tropical Rainforest Tree Demographic Data, Dinden National Park
Type of Research ActivityStrategic basic research
Date Coverage
Date FromDate To
2015
Geospatial Location
Location TypeLocation Value
TextDavies Creek Plot, Dinden National Park, 25 km southwest of Cairns, Queensland, Australia
DCMI Box notation conformant with iso 19139northlimit = -17.0316; southlimit = -17.0361; westlimit = 145.622; eastLimit = 145.626
Date of data creation2015
Year of data publication2015
Creator(s) for Citation
Given NameSurname
PeterGreen
Publisher for CitationLong Term Ecological Research Network (LTERN), ANU Data Commons, The Australian National University
Related Websites
URLTitle
https://hdl.handle.net/1885/130861ANU Open Research, Long Term Ecological Research Network (LTERN) collection.
Other Related IdentifiersMorphoId:ltern5.5
PackageId:339
Access RightsPrior to publication of research utilising this data - the data provider (Dr Peter Green) requests consultation.
Access Rights TypeOpen
Rights held in and over the dataCreative Commons Licence (CC BY- Attribution) is assigned to this data. Details of the licence can be found at https://creativecommons.org/licenses/by/4.0/
Licence TypeCC-BY - Attribution (Version 4)
LicenceLTERN Deed: 49
Date of execution: 2018-01-22

Retention PeriodIndefinitely
Data Management PlanNo
Status: Published
Published To:
- Australian National University
- Australian National Data Service
Identifier: anudc:5741
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