Sampling event

Communautés adventices des systèmes cotonniers du nord Cameroun

Latest version published by UMR AMAP on 06 November 2020 UMR AMAP
Publication date:
06 November 2020
Published by:
CC-BY 4.0

Download the latest version of this resource data as a Darwin Core Archive (DwC-A) or the resource metadata as EML or RTF:

Data as a DwC-A file download 540 records in English (129 KB) - Update frequency: unknown
Metadata as an EML file download in English (7 KB)
Metadata as an RTF file download in English (7 KB)


Phytoecological records of weeds in crops of the cotton rotation in Northern Cameroon (Cotton, Maize, Sorghum, Groundnut) in 1990. Study carried out during the weed science FAC regional project of Garoua Cameroon.

Data Records

The data in this sampling event resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 540 records.

2 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.

Event (core)

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.


The table below shows only published versions of the resource that are publicly accessible.


Researchers should respect the following rights statement:

The publisher and rights holder of this work is UMR AMAP. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: c7f9181c-2344-4e3a-b414-eb5710b5807c.  UMR AMAP publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF France.


Samplingevent; Coton; Maize; Sorghum; Groundnut


Thomas Le Bourgeois
  • Metadata Provider
  • Originator
  • Point Of Contact
Malherbologue (Weed scientist)
Cirad, UMR AMAP TA A51 / PS2 Boulevard de la Lironde
34398 Cedex 5 Montpellier
GBIF France
  • Distributor
IT support
GBIF France
43 rue Buffon Géologie CP48
75005 Paris

Geographic Coverage

Northern Cameroon, North and Extreme-North departments

Bounding Coordinates South West [1.582, 8.438], North East [13.24, 16.304]

Taxonomic Coverage

No Description available

Kingdom Plantae

Temporal Coverage

Start Date / End Date 1988-01-01 / 1991-12-31

Project Data

No Description available

Title Communautés adventices des systèmes cotonniers du nord Cameroun

The personnel involved in the project:

Thomas Le Bourgeois
  • Principal Investigator

Sampling Methods

Season of data collection : June, August, October

Study Extent Study area : Northern Cameroon, North and Extreme-North departments

Method step description:

  1. Notation scale note 1-9 Cover 1 Species present but scarse 2 Less than 1 individual per m2 3 At least 1 individual per m2 4 30 % cover 5 50 % cover 6 70 % cover 7 very high cover 8 very little ground visible 9 total cover

Additional Metadata