Md. Cain et Mg. Shelton, Survival and growth of Pinus echinata and Quercus seedlings in response tosimulated summer and winter prescribed burns, CAN J FORES, 30(11), 2000, pp. 1830-1836
Citations number
25
Categorie Soggetti
Plant Sciences
Journal title
CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE
First-year seedlings of shortleaf pine (Pinus echinata Mill.), southern red
oak (Quercus falcata Michx.), and white oak (Quercus alba L.) were subject
ed to simulated prescribed burns during August (growing season) or January
(dormant season) on an Upper Coastal Plain site in southeastern Arkansas, U
.S.A. Survival and growth of resprouting rootstocks were compared with cont
rol seedlings through one growing season after burning. Although 100% of th
e oaks and 99% of the pines were topkilled by the fires, survival of respro
uting rootstocks exceeded 95% for all three species in the year following t
he winter burn. No pines resprouted following the summer burn, but rootstoc
k survival of oaks averaged > 65%. Compared with controls, winter burns red
uced (P < 0.01) mean height and groundline diameter (GLD) of shortleaf pine
sprouts through the next growing season. For southern red oak, season of b
urning did not negatively affect (P > 0.05) the growth of sprouts during th
e year after burning. Although mean heights and GLDs of white oak sprouts v
ersus controls were reduced (P less than or equal to 0.04) when means were
averaged across burns, white oak sprouts on winter-burn plots were comparab
le in size with the control seedlings.