Evaluations of plastic mesh tubes for protecting conifer seedling from pocket gophers in three western states
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Abstract
The efficacy of plastic mesh tubes for protecting conifer seedlings from pocket gopher damage was evaluated on three national forest lands in three states. In each area, cohorts of 640 protected seedlings and 640 unprotected seedlings (3,840 total) were individually monitored for damage, survival, and growth twice each summer for 5 yr after planting. Substantial differences were found between protected and unprotected seedlings for time until occurrence of damage, survival time, proportion damaged and proportion surviving, as well as differences in growth. Over the three forest study sites, the proportion of unprotected seedlings damaged ranged from 60-89%, whereas the proportion of protected seedlings damaged after 5 yr ranged from 18-27%. The proportion of unprotected seedlings that died of gopher damage over 5 yr ranged from 46-64%, versus 1-19% for protected seedlings. Height growth was 25% greater for protected seedlings. Even when only undamaged seedlings were considered, protected seedlings exhibited superior height growth, possibly due to a more favorable microclimate provided by the tubes. These results were reflected in the higher and more uniform stocking rates for protected seedlings.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Evaluations of plastic mesh tubes for protecting conifer seedling from pocket gophers in three western states |
| Series title | Western Journal of Applied Forestry |
| Volume | 14 |
| Issue | 2 |
| Year Published | 1999 |
| Language | English |
| Publisher | Society of American Foresters |
| Contributing office(s) | Alaska Science Center |
| Description | 5 p. |
| First page | 86 |
| Last page | 90 |
| Google Analytic Metrics | Metrics page |