Growth and mortality of individual plants as a function of "available area"
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Growth and mortality of individual plants as a function of "available area". / Mithen, Richard; Harper, John L.; Weiner, Jacob.
I: Oecologia, Bind 62, Nr. 1, 01.04.1984, s. 57-60.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Growth and mortality of individual plants as a function of "available area"
AU - Mithen, Richard
AU - Harper, John L.
AU - Weiner, Jacob
PY - 1984/4/1
Y1 - 1984/4/1
N2 - We looked at the relationship between "available area", as defined by Thiessen polygons around individual plants, and plant size and mortality in even-aged green-house populations of Lapsana communis L. Polygon area was a good predictor of plant weight in these populations. After nine weeks growth, just prior to the onset of self-thinning, the dry weight of plants was directly proportional to the square root of polygon area. After the onset of selfthinning, plant weight appeared to be directly related to polygon area to the 3/2 power. Plants in small polygons were much more likely to die than those in larger areas. Thinning changed the frequency distribution of polygon sizes from highly skewed and unequal to normal and more equal, while inequality in surviving plant sizes did not appear to be affected by thinning.
AB - We looked at the relationship between "available area", as defined by Thiessen polygons around individual plants, and plant size and mortality in even-aged green-house populations of Lapsana communis L. Polygon area was a good predictor of plant weight in these populations. After nine weeks growth, just prior to the onset of self-thinning, the dry weight of plants was directly proportional to the square root of polygon area. After the onset of selfthinning, plant weight appeared to be directly related to polygon area to the 3/2 power. Plants in small polygons were much more likely to die than those in larger areas. Thinning changed the frequency distribution of polygon sizes from highly skewed and unequal to normal and more equal, while inequality in surviving plant sizes did not appear to be affected by thinning.
UR - http://www.scopus.com/inward/record.url?scp=0021558729&partnerID=8YFLogxK
U2 - 10.1007/BF00377373
DO - 10.1007/BF00377373
M3 - Journal article
AN - SCOPUS:0021558729
VL - 62
SP - 57
EP - 60
JO - Oecologia
JF - Oecologia
SN - 0029-8519
IS - 1
ER -
ID: 224654021