Interactions among forest composition, structure, fuel loadings and fire history: A case study of red pine-dominated forests of Seney National Wildlife Refuge, Upper Michigan

Drobyshev, Igor; Goebel, P. Charles; Hix, David M.; Corace, R. Gregory; Semko-Duncan, Marie E.

doi:10.1016/j.foreco.2008.05.017

Cited by 44 publications

(43 citation statements)

References 28 publications

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“…The study site is located within the boundaries of Seney National Wildlife Refuge (NWR) (46 • (Bork et al, 2013;Drobyshev et al, 2008a;Drobyshev et al, 2008b). In the 1930s and 1940s, the refuge constructed a number berms and road networks for the establishment of ponds for wildlife.…”

Section: Study Sitementioning

confidence: 99%

Shifting environmental controls on CH<sub>4</sub> fluxes in a sub-boreal peatland

et al. 2013

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Abstract. We monitored CO 2 and CH 4 fluxes using eddy covariance from 19 May to 27 September 2011 in a poor fen located in northern Michigan. The objectives of this paper are to: (1) quantify the flux of CH 4 from a sub-boreal peatland, and (2) determine which abiotic and biotic factors were the most correlated to the flux of CH 4 over the measurement period. Net daily CH 4 fluxes increased from 70 mg CH 4 m −2 d −1 to 220 mg CH 4 m −2 d −1 from mid May to mid July. After July, CH 4 losses steadily declined to approximately 50 mg CH 4 m −2 d −1 in late September. During the study period, the peatland lost 17.4 g CH 4 m −2 . Both abiotic and biotic variables were correlated with CH 4 fluxes. When the different variables were analyzed together, the preferred model included mean daily soil temperature at 20 cm, daily net ecosystem exchange (NEE) and the interaction between mean daily soil temperature at 20 cm and NEE (R 2 = 0.47, p value < 0.001). The interaction was important because the relationship between daily NEE and mean daily soil temperature with CH 4 flux changed when NEE was negative (CO 2 uptake from the atmosphere) or positive (CO 2 losses to the atmosphere). On days when daily NEE was negative, 25 % of the CH 4 flux could be explained by correlations with NEE, however on days when daily NEE was positive, there was no correlation between daily NEE and the CH 4 flux. In contrast, daily mean soil temperature at 20 cm was poorly correlated to changes in CH 4 when NEE was negative (17 %), but the correlation increased to 34 % when NEE was positive. The interaction between daily NEE and mean daily soil temperature at 20 cm indicates shifting environmental controls on the CH 4 flux throughout the growing season.

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Section: Study Sitementioning

confidence: 99%

Shifting environmental controls on CH<sub>4</sub> fluxes in a sub-boreal peatland

et al. 2013

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“…Wildfire suppression policy, introduced since the establishment of SNWR in 1935, resulted in strong reduction of the spatial extent of fire activity within the SNWR landscape (Drobyshev et al, 2008a) and modified stand dynamics in these forest ecosystems (Drobyshev et al, 2008b). In total, only three years with the area burned exceeding 100 ha were recorded since then.…”

Section: Discussionmentioning

confidence: 99%

Detecting changes in climate forcing on the fire regime of a North American mixed-pine forest: A case study of Seney National Wildlife Refuge, Upper Michigan

et al. 2012

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a b s t r a c tThe study of forests dominated by red pine (Pinus resinosa Ait.), one of the few fire-resistant tree species of eastern North America, provides an opportunity to reconstruct long-term fire histories and examine the temporal dynamics of climate forcing upon forest fire regimes. We used a 300-year long spatially explicit dendrochronological reconstruction of the fire regime for Seney National Wildlife Refuge (SNWR, 38,531 ha), eastern Upper Michigan to: (1) identify fire size thresholds with strong vs. weak climate controls, (2) evaluate effect of landform type (outwash channel vs. sand ridges) in modifying climate-fire associations, and (3) check for the presence of temporal changes in the climate control of large fire events over the time period 1700-1983. We used a summer drought sensitive red pine chronology (ITRDB code can037) as a proxy of past fire-related climate variability. Results indicated that fires >60 ha in sand-ridgedominated portions of SNWR and >100 ha in outwash channels were likely climatically driven events. Climate-fire associations varied over time with significant climate-fire linkages observed for the periods 1700-1800 (pre-EuroAmerican), 1800-1900 (EuroAmerican settlement) and 1900-1983 (modern era). Although an increase in fire activity at the turn of 20th century is commonly associated with human sources of ignitions, our results suggest that such an increase was also likely a climatically driven episode.

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“…Large conservation reserves containing fire-dependent ecosystems may provide practical opportunities for the use of wildland fire to meet restoration objectives (Baker, 1994;Kneeshaw and Gauthier, 2003), while adjacent, intensively-managed or human-dominated landscapes may require silvicultural or prescribed fire strategies (Lindenmayer et al, 2006). However, disparate forest management activities among landowners or management areas can create sharply contrasting landscape patterns of forest composition (Tinker et al, 2003) and fuel types (Drobyshev et al, 2008). Unintended consequences of spatially uncoordinated activities can detract from meeting forest restoration and fire management objectives at landscape scales and may limit restoration options (Lytle et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Can landscape-level ecological restoration influence fire risk? A spatially-explicit assessment of a northern temperate-southern boreal forest landscape

Shinneman¹,

Palik²,

Cornett³

2012

Forest Ecology and Management

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Interactions among forest composition, structure, fuel loadings and fire history: A case study of red pine-dominated forests of Seney National Wildlife Refuge, Upper Michigan

Cited by 44 publications

References 28 publications

Shifting environmental controls on CH<sub>4</sub> fluxes in a sub-boreal peatland

Shifting environmental controls on CH<sub>4</sub> fluxes in a sub-boreal peatland

Detecting changes in climate forcing on the fire regime of a North American mixed-pine forest: A case study of Seney National Wildlife Refuge, Upper Michigan

Can landscape-level ecological restoration influence fire risk? A spatially-explicit assessment of a northern temperate-southern boreal forest landscape

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Interactions among forest composition, structure, fuel loadings and fire history: A case study of red pine-dominated forests of Seney National Wildlife Refuge, Upper Michigan

Cited by 44 publications

References 28 publications

Shifting environmental controls on CH&lt;sub&gt;4&lt;/sub&gt; fluxes in a sub-boreal peatland

Shifting environmental controls on CH&lt;sub&gt;4&lt;/sub&gt; fluxes in a sub-boreal peatland

Detecting changes in climate forcing on the fire regime of a North American mixed-pine forest: A case study of Seney National Wildlife Refuge, Upper Michigan

Can landscape-level ecological restoration influence fire risk? A spatially-explicit assessment of a northern temperate-southern boreal forest landscape

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Shifting environmental controls on CH<sub>4</sub> fluxes in a sub-boreal peatland

Shifting environmental controls on CH<sub>4</sub> fluxes in a sub-boreal peatland