Paper · 2012

Invasive and native plant response to fire in a Pennsylvania Piedmont woodland

Joan M. Welch

6
claims
22
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

Fragmentation and habitat conversion promote establishment of invasive species. Hibernia County Park, the research site, is located in the Piedmont region of southeastern Pennsylvania. To address issues of invasive species management, Chester County Parks and Recreation carried out a prescribed fire in April 2006. The goal of this research was to assess the response of native and invasive understory vegetation to one dormant-season fire. We expected that there would be a significant decrease in understory plant cover, invasive species, woody stems, and trees with vines. Understory plant diversity was expected to increase. Fifteen forest plots were randomly located within a 5.9 hectare patch of woodland. A baseline vegetation survey was conducted in May-June 2005 with post-burn assessments in May-June 2006, 2007, 2008, 2010 and 2011. Researchers utilized 30-meter point intercept transects to gather data every 0.3 m for presence counts, species richness, and Shannon-Weiner diversity. Stem counts of woody species <2.5cm dbh were acquired within a 30 x 1 meter belt transect. Researchers identified trees in a 30 x 5 meter section of each transect and noted presence of vines. Baseline data revealed Japanese honeysuckle (Lonicera japonica) and multiflora rose (Rosa multiflora) as the dominant invasive species. Data analysis included a paired samples t-test for difference of means for baseline and post-burn year 6 averages. Results determined a significant difference at the p=0.05 level in point-intercept counts for Japanese honeysuckle and multiflora rose (decrease), invasive and native woody stems (increase), and species richness for woody stems (increase). T-test results were not significant for point-intercept species richness, Shannon-Wiener Species index, and number of trees with vines. A burn treatment plan is recommended to address management of invasive species.

Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 6

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Prescribed fire decreased point-intercept counts of Japanese honeysuckle relative to the baseline.

Taxon
Japanese honeysuckleLonicera japonicae1
Treatment
prescribed firee2
Outcome
point-intercept countse1
Direction
decreasee1
Comparator
baselinee3
Setting
Hibernia County Parke4

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Lonicera japonica
Lonicera japonica · TaxonVictor M. Vicente Selvas · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“Results determined a significant difference at the p=0.05 level in point-intercept counts for Japanese honeysuckle and multiflora rose (decrease), invasive and native woody stems (increase), and species richness for woody stems (increase)”

✓ located verbatim in the source · abstract, characters 1440–1678 · show in text ↑
e2

“Chester County Parks and Recreation carried out a prescribed fire in April 2006”

✓ located verbatim in the source · abstract, characters 235–314 · show in text ↑
e3

“Data analysis included a paired samples t-test for difference of means for baseline and post-burn year 6 averages”

✓ located verbatim in the source · abstract, characters 1325–1438 · show in text ↑
e4

“Hibernia County Park, the research site, is located in the Piedmont region of southeastern Pennsylvania”

✓ located verbatim in the source · abstract, characters 80–183 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Prescribed fire decreased point-intercept counts of multiflora rose relative to the baseline.

Taxon
multiflora rosee1
Treatment
prescribed firee2
Outcome
point-intercept countse1
Direction
decreasee1
Comparator
baselinee3
Setting
Hibernia County Parke4

Verbatim

e1

“Results determined a significant difference at the p=0.05 level in point-intercept counts for Japanese honeysuckle and multiflora rose (decrease), invasive and native woody stems (increase), and species richness for woody stems (increase)”

✓ located verbatim in the source · abstract, characters 1440–1678 · show in text ↑
e2

“Chester County Parks and Recreation carried out a prescribed fire in April 2006”

✓ located verbatim in the source · abstract, characters 235–314 · show in text ↑
e3

“Data analysis included a paired samples t-test for difference of means for baseline and post-burn year 6 averages”

✓ located verbatim in the source · abstract, characters 1325–1438 · show in text ↑
e4

“Hibernia County Park, the research site, is located in the Piedmont region of southeastern Pennsylvania”

✓ located verbatim in the source · abstract, characters 80–183 · show in text ↑
Intervention effectobservedoriginal resultmixedsignificant (as stated)measured

Claim · model-written summary

Prescribed fire increased invasive and native woody stems in understory vegetation relative to the baseline.

Taxon
understory vegetatione5
Treatment
prescribed firee2
Outcome
invasive and native woody stemse1
Direction
increasee1
Comparator
baselinee3

Verbatim

e1

“Results determined a significant difference at the p=0.05 level in point-intercept counts for Japanese honeysuckle and multiflora rose (decrease), invasive and native woody stems (increase), and species richness for woody stems (increase)”

✓ located verbatim in the source · abstract, characters 1440–1678 · show in text ↑
e2

“Chester County Parks and Recreation carried out a prescribed fire in April 2006”

✓ located verbatim in the source · abstract, characters 235–314 · show in text ↑
e3

“Data analysis included a paired samples t-test for difference of means for baseline and post-burn year 6 averages”

✓ located verbatim in the source · abstract, characters 1325–1438 · show in text ↑
e5

“The goal of this research was to assess the response of native and invasive understory vegetation to one dormant-season fire”

✓ located verbatim in the source · abstract, characters 316–440 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Prescribed fire increased species richness for woody stems in understory vegetation relative to the baseline.

Taxon
understory vegetatione5
Treatment
prescribed firee2
Outcome
species richness for woody stemse1
Direction
increasee1
Comparator
baselinee3

Verbatim

e1

“Results determined a significant difference at the p=0.05 level in point-intercept counts for Japanese honeysuckle and multiflora rose (decrease), invasive and native woody stems (increase), and species richness for woody stems (increase)”

✓ located verbatim in the source · abstract, characters 1440–1678 · show in text ↑
e2

“Chester County Parks and Recreation carried out a prescribed fire in April 2006”

✓ located verbatim in the source · abstract, characters 235–314 · show in text ↑
e3

“Data analysis included a paired samples t-test for difference of means for baseline and post-burn year 6 averages”

✓ located verbatim in the source · abstract, characters 1325–1438 · show in text ↑
e5

“The goal of this research was to assess the response of native and invasive understory vegetation to one dormant-season fire”

✓ located verbatim in the source · abstract, characters 316–440 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Prescribed fire did not significantly change point-intercept species richness, Shannon-Wiener species index or number of trees with vines in understory vegetation.

Taxon
understory vegetatione5
Treatment
prescribed firee2
Outcome
point-intercept species richness, Shannon-Wiener Species index, and number of trees with vinese6
Direction
no_changeinferrede6
Comparator
baselinee3

Verbatim

e2

“Chester County Parks and Recreation carried out a prescribed fire in April 2006”

✓ located verbatim in the source · abstract, characters 235–314 · show in text ↑
e3

“Data analysis included a paired samples t-test for difference of means for baseline and post-burn year 6 averages”

✓ located verbatim in the source · abstract, characters 1325–1438 · show in text ↑
e5

“The goal of this research was to assess the response of native and invasive understory vegetation to one dormant-season fire”

✓ located verbatim in the source · abstract, characters 316–440 · show in text ↑
e6

“T-test results were not significant for point-intercept species richness, Shannon-Wiener Species index, and number of trees with vines”

✓ located verbatim in the source · abstract, characters 1680–1814 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

A burn treatment plan is recommended to manage invasive species in the woodland.

Taxon
understory vegetatione5
Outcome
management of invasive speciese7

Verbatim

e5

“The goal of this research was to assess the response of native and invasive understory vegetation to one dormant-season fire”

✓ located verbatim in the source · abstract, characters 316–440 · show in text ↑
e7

“A burn treatment plan is recommended to address management of invasive species”

✓ located verbatim in the source · abstract, characters 1816–1894 · show in text ↑