Glossary entry

français term or phrase:

quadra

anglais translation:

quadrat

Added to glossary by Hattie Hill
Oct 18, 2008 23:56
15 yrs ago
1 viewer *
français term

quadra

français vers anglais Autre Géographie calculating a fish's area of occupancy
Hi all,

This is from a document in Canadian French about the banded killifish. This specific sentence is about calculated the fish's area of occupancy using "quadra." I've never seen this term before and am having a hard time. Any ideas?? I think it involves quadrature....

La zone d’occurrence canadienne des populations continentales de fondules barrés, calculée à l’aide de la technique du polygone minimum convexe, est estimée à 1 508 000 km2 alors que la zone d’occupation, calculée à l’aide de **quadra** de 1 km par 1 km, est estimée à 12 000 km2

fondule barré = banded killifish
zone d’occurrence = extent of occurrence
zone d'occupation = area of occupancy

Thanks!
References
quadrat

Discussion

Hattie Hill (asker) Oct 19, 2008:
Quadrat is it. THanks!

Merriam-Webster: a small usually rectangular plot laid off (as in a forest, range, pasture, or cultivated field) for the study of vegetation or animals
Hattie Hill (asker) Oct 19, 2008:
I just found "grid squares" as well

AOO = Area of Occupancy, constitutes a count of grid cells (3 × 3 km) where the species occurs multiplied by 9 km2

http://www.mobot.org/mobot/research/passiflora/conservation_...

Proposed translations

+1
4 heures
Selected

quadrat

Missing a 't'?

http://www.ifremer.fr/envlit/glossaire/index.php?p=definitio...
quadrats
désigne une aire de forme carrée et de surface préalablement déterminée qui sert de base à l’échantillonnage dans les recherches écologiques sur les biocénoses.
Méthode des quadrats : désigne la méthode consistant à répartir par tirage aléatoire les quadrats dans lesquels seront faits les prélèvements de flore ou de faune à la surface du biotope étudié.

http://www.glf.dfo-mpo.gc.ca/os/bysea-enmer/glossary-glossai...
QUADRAT (quadrat):
carré ou cercle (mesure standard d'un mètre) placé au sol pour le dénombrement et l'identification de toutes les plantes à l'intérieur de cette superficie. Voir transect.

GDT
quadrat = quadrat
Définition :
A small, clearly demarcated, sample area of known size on which ecological observations are made.
Note(s) :
(1) The term was originally applied to square areas, but now frequently to rectangles and even circles. (2) The area is generally a square decimetre, a square metre or a milacre.
Peer comment(s):

agree Bourth (X) : More below
4 heures
Merci Bourth!
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "Merci beaucoup"
10 minutes

(square) grid

...calculated using a 1 km x 1 km grid...
Something went wrong...
+1
1 minute

quadrant here (or square area)

IMO

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Note added at 27 mins (2008-10-19 00:23:35 GMT)
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method of separation for various areas.
Peer comment(s):

agree Subodh Jangid : C'est le quart du méridien terrestre.
5 heures
Thank you.
Something went wrong...

Reference comments

9 heures
Reference:

quadrat

quadrat - A sampling area, often 1 metre square, used in studying the composition of an area of vegetation. The area is usually defined by a frame, sometimes subdivided by fine wires, laid on the ground. See also DOMIN SCALE,; QUADRAT, MAJOR; QUADRAT METHOD

quadrat, major. A QUADRAT that includes all the more important species, as well as a number of the less important ones.

quadrat method. A method for the intensive study of an environment within a circumscribed are in order to gain a comprehensive knowledge of the wider area. It involves the laying down of QUADRATS and examining closely the species within them.
[Macmillan Dictionary of the Environment]
Peer comments on this reference comment:

agree Jean-Louis S.
2 heures
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