quadrat


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quad·rat

 (kwŏd′rət, -răt′)
n.
1. Printing A piece of type metal lower than the raised typeface, used for filling spaces and blank lines. Also called quad2.
2. Any of a group of small, usually rectangular plots of land used for sampling the occurrence of species or of archaeological artifacts.
[Middle English, a square geometric instrument, rectangular area; see quadrate.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

quadrat

(ˈkwɒdrət)
n
1. (Botany) ecology an area of vegetation, often one square metre, marked out for study of the plants in the surrounding area
2. (Environmental Science) the frame used to mark out such an area
[C14 (meaning "a square"): variant of quadrate]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

quad•rat

(ˈkwɒd rət)

n.
1. quad 2 (def. 1).
2. a square or rectangular plot of land marked off for the study of plants and animals.
[1675–85; variant of quadrate]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

quadrat

a plot of land, square or rectangular, marked off or set out for the study of plant or animal life.
See also: Animals
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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References in periodicals archive ?
The restaurant is in the former stables of the building, named Quadrat. There are reminders of this scattered throughout the dining area, such as brass horse-head door knockers hanging on the walls.
Dreamy views of Balearic beauty; ALEXANDRA RUCKI experiences luxury a million miles away from a typical all-inclusive mallorca break TRAVEL REPORT PALMA
To better understand the relationship between exotic species abundance with native plant diversity and physical factors in eastern prairie communities, an analysis of sampled quadrat data was performed to address the following: (1) At what abundance is exotic species cover present within the prairie communities; and (2) Does the amount of native plant diversity, including species richness and evenness, functional group richness, and functional group similarity, potentially influence the abundance (percent cover) of exotic species in these communities at the alpha (quadrat) and gamma (site) spatial scales?
Exotic Species Occurrence in Remnant and Restored Eastern Prairie Ecosystems and their Relation to Native Species Richness, Evenness, and Functional Group Abundance
A long each transect, six one-square-meter quadrat were surveyed, 36quadrats per site.
PHYTOSOCIOLOGICAL STUDIES OF SELECTED SEMI-ARID SITES IN AL-MAFRAQ, JORDAN
Within six of the 1 m x 1 m quadrats (Table 4), a dead trunk occupied the whole quadrat.
An exploration of the capacity of a database generated by post-fire vegetation monitoring to yield useful information about responses of individual species to fire
Visual scoring methods can be performed at quadrat (Nie et al.
The pugometer: an evaluation of a new tool for assessing treading damage of pasture soils and comparisons with other methods
The party, in a statement made available to the Tribune Online on Tuesday by its Acting Director of Media Relations, Alhaja Quadrat Adewoyin, the meeting held at the Popoyemoja Palace of the Olubadan was a sign of good things to come to the ancient city.
ADP lauds Olubadan, chiefs over resolution of chieftaincy crisis
On the fourth day of the tournament, the quadrat of Maryam Al Jaber, Sara Marzooqi and Maryam Salmeen secured the archery team gold medal, beating runners-up Sharjah Ladies Club and third-placers Al Ain.
Archery team captures team gold
Percent coverage by species was estimated within an open square polyvinyl chloride (PVC) quadrat 0.50 m by 0.50 m (0.25 [m.sup.2]).
SEAGRASS MONITORING IN SAN ANTONIO BAY, TEXAS WITH IMPLICATIONS FOR MANAGEMENT
Frequency is defined as the probability or chance of finding a plant species in a given sample area or quadrat. It is calculated with the formula below.
Woody Species Diversity, Structure, and Regeneration Status of Yemrehane Kirstos Church Forest of Lasta Woreda, North Wollo Zone, Amhara Region, Ethiopia
Estimation of population can be determined from collected data such as the size of study area, size of quadrat, and the number of sea cucumbers per quadrat [15].
Holothuria leucospilota Population in Satang Besar Island, Sarawak, Malaysia
Coverage sampling: A visual estimate was performed within a quadrat of 50 cm X 50 cm with a 5 X5 grid placed at each of the three sampling levels (H, M, L) along the transect line, following a similar criterion as Parada et al.
DISTRIBUTION PATTERNS OF THE GOOSENECK BARNACLE (POLLICIPES POLLICIPES [GMELIN, 1789]) IN THE CANTABRIA REGION (N SPAIN): EXPLORING DIFFERENT POPULATION ASSESSMENT METHODS
After all live and dead mussels were collected from the quadrat, the quadrat was flipped and the next area was surveyed.
Modern occurrence of and size data for Quadrula aurea (Mollusca: Unionidae) from the Medina River of Texas

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