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Greater London Habitat Survey tree data

Dataset homepage

Citation

Greenspace Information for Greater London CIC (2018). Greater London Habitat Survey tree data. Occurrence dataset https://doi.org/10.15468/kzxbmb accessed via GBIF.org on 2023-01-28.

Description

The dataset consists of tree records in London collated by GiGL from multiple habitat surveys commissioned by the London Ecology Unit and Greater London Authority from the mid-80s to present and by the Borough for the tree records in Wandsworth. Records were collected through habitat surveys, mostly from borough-wide surveys but some from individual site surveys. The dataset has been created by Greenspace Information for Greater London CIC (GiGL). GiGL mobilises, curates and shares data that underpin our knowledge of London’s natural environment. We provide impartial evidence to enable informed discussion and decision-making in policy and practice. Please acknowledge GiGL in any use of the data e.g. “Greenspace Information for Greater London CIC (2018). http://www.gigl.org.uk/. Accessed: [Download date].” The records range from 1983-2009. The majority of records have a full date (DD/MM/YYYY), however, a small number of records are recorded to season or month and year. Tree records from the following genera are included in this dataset: Abelia, Abies, Acacia, Acca, Acer, Aesculus, Ailanthus, Albizia, Alnus, Amelanchier, Aralia, Araucaria, Arbutus, Betula, Broussonetia, Carpobrotus, Carya, Castanea, Catalpa, Cedrus, Celtis, Cercidiphyllum, Cercis, Chamaecyparis, Chitalpa, Cornus, Corylus, Crataegus, Cryptomeria, Cunninghamia, Cupressus, Diospyros, Eucalyptus, Euonymus, Fagus, Ficus, Fraxinus, Ginkgo, Gleditsia, Hibiscus, Hippophae, Ilex, Juglans, Juniperus, Koelreuteria, Laburnum, Lagerstroemia, Larix, Ligustrum, Liquidambar, Liriodendron, Magnolia, Malus, Mespilus, Metasequoia, Morus, Nothofagus, Nyssa, Osmanthus, Ostrya, Parrotia, Photinia, Picea, Pinus, Platanus, Podocarpus, Populus, Prunus, Pseudolarix, Pseudotsuga, Pyrus, Quercus, Robinia, Salix, Sequoia, Sequoiadendron, Sophora, Sorbus, Stewartia, Styrax, Syringa, Tamarix, Taxus, Thuja, Tilia, Torreya, Trachycarpus, Tsuga, Ulmus, Zea, Zelkova, Ziziphus.

Sampling Description

Quality Control

This data was collected by ecologists on behalf of the London Ecology Unit and Greater London Authority. Records derive from commissioned surveys by specialists, using established methodology, and should have a high level of confidence. The locations of trees are mapped to the centre of the surveyed parcel, and not to the actual tree location within the site. The grid reference is the habitat parcel's centroid. There is a large date range in the data.

Method steps

  1. Records were collected through habitat surveys, mostly from borough-wide surveys but some from individual site surveys. Survey methodology is a modified Phase I or London Survey Method. The London Survey Method format is similar to an Extended Phase I survey and collects essentially the same ecological information, in the same detail. Unlike Phase I, the London Survey Method is designed specifically for an urban setting using habitat classifications appropriate for London. Information in the borough-wide surveys were gathered for any open space larger than a quarter hectare.

Additional info

Data and data interpretation and analysis services are also available from GiGL. See our website (http://www.gigl.org.uk/) for more details. Topic: Environment Author: GiGL Maintainer: GiGL Update frequency: Ad hoc

Taxonomic Coverages

Geographic Coverages

Greater London

Bibliographic Citations

Contacts

originator
Greenspace Information for Greater London CIC
c/o London Wildlife Trust, Dean Bradley House,
52 Horseferry Road, London
SW1P 2AF
email: enquiries@gigl.org.uk
homepage: http://www.gigl.org.uk/
metadata author
Greenspace Information for Greater London CIC
c/o London Wildlife Trust, Dean Bradley House,
52 Horseferry Road, London
SW1P 2AF
email: enquiries@gigl.org.uk
homepage: http://www.gigl.org.uk/
distributor
NBN Atlas
Unit F, 14 - 18 St Mary's Gate, Lace Market
Nottingham
NG1 1PF
Nottinghamshire
GB
email: admin@nbnatlas.org
Greenspace Information for Greater London CIC
administrative point of contact
Telephone: 02078034277
email: enquiries@gigl.org.uk
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