Strategies to reduce browse damage on eastern white pine ( Pinus strobus) in southern New England, USA

Successful conifer plantations may require protection from browse damage in areas with large deer herds. A series of studies at nine sites examined the interaction among browse protection, overstory cover, and vegetation control on growth and survival of eastern white pine ( Pinus strobus) in southe...

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Bibliographic Details
Published in:Forest ecology and management 2008-04, Vol.255 (5), p.1559-1567
Main Authors: Ward, Jeffrey S., Mervosh, Todd L.
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Biological and medical sciences
browsing
Bud caps
competition control
coniferous forests
conifers
control methods
deer
forest plantations
forest trees
Fundamental and applied biological sciences. Psychology
Height growth
mesh tubes
mortality
Odocoileus virginianus
Pinus
Pinus strobus
plant competition
Plantation
protective devices
seedling growth
seedlings
Survival
Synecology
Terminal bud damage
Terrestrial ecosystems
tree damage
tree growth
Tree shelter
vegetation cover
vertebrate pests
weed control
wildlife damage management
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Summary:Successful conifer plantations may require protection from browse damage in areas with large deer herds. A series of studies at nine sites examined the interaction among browse protection, overstory cover, and vegetation control on growth and survival of eastern white pine ( Pinus strobus) in southern New England. Bud caps placed slightly below the height of the terminal bud protected the terminal bud without causing distorted top growth during bud expansion. Rigid mesh tubes that were 91-cm tall, but not 60-cm tall tubes, frequently folded over following a heavy wet snowfall and had to be straightened to prevent distorted terminal bud growth. Underplanted seedlings grow much slower than those planted in open clearcuts. After five years, open-grown seedlings averaged 207 cm and were above the browse line. After nine years, underplanted seedlings were the same height (130 cm) as open-grown seedlings after three years. A system using 60-cm tall rigid mesh tubes followed up with bud caps for larger seedlings will increase growth and survival in areas with high deer populations. In areas with low deer populations where minimal browse damage is anticipated, vegetation control may be an effective method of increasing growth and survival.
ISSN:0378-1127
1872-7042
DOI:10.1016/j.foreco.2007.11.014