Effects of treefall gaps created by windthrow on bat assemblages in a temperate forest

Fukui, Dai; Hirao, Toshihide; Murakami, Masashi; Hirakawa, Hirofumi

doi:10.1016/j.foreco.2011.02.001

Cited by 35 publications

(18 citation statements)

References 43 publications

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“…In our study, a total of 65 canopy gaps were identified within the total of 1.0 ha forest area, indicating that canopy disturbance is abundant in the present forests. However, most gaps were <100 m 2 , which was consistent with other reports in temperate forests that small gaps dominate natural disturbance regimes (Fukui, Hirao, Murakami, & Hirakawa, ; Sipe & Bazzaz, ). In the gap formation, tree snapping was the most common mechanism, which is consistent with the mechanism of canopy gap formation in mixed hardwood‐conifer forests in Foping National Natural Reserve of the Qinling Mountains where 40% of gaps are tree snap types (Wang et al, ).…”

Section: Discussionsupporting

confidence: 90%

Canopy disturbance and gap partitioning promote the persistence of a pioneer tree population in a near‐climax temperate forest of the Qinling Mountains, China

Guo

Peng

Yue

2019

Ecology and Evolution

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An unresolved question of temperate forests is how pioneer tree species persist in mature forests. In order to understand the responsible mechanisms, we investigated a near‐climax mixed temperate forest dominated by Betula albosinensis in the Qinling Mountains of China. Through establishing four 50 m × 50 m plots, we examined the canopy disturbance characteristics and its effects on tree recruitments. We further test the intra‐ and interspecific effects on the recruitment of B. albosinensis . The obtained data demonstrated canopy disturbance was frequent but most small‐sized. The canopy gaps are caused mainly by adult B. albosinensis by snapping. The regeneration of coexistent tree species shows a distinct preference for gap size. B. albosinensis were clumped at the juvenile stage and small scales. B. albosinensis juveniles were positively associated with B. utilis juveniles and negatively associated with the conspecific and B. utilis large trees. In addition, B. albosinensis juveniles showed negative associations with contemporary other tree species. Our results suggested that canopy disturbance caused by canopy trees and gap partitioning among the coexistent tree species are important for the persistence of the mixed forest. As a main gapmaker, B. albosinensis appear to develop a self‐perpetuating life‐history trait and allow them to persist.

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Section: Discussionsupporting

confidence: 90%

Canopy disturbance and gap partitioning promote the persistence of a pioneer tree population in a near‐climax temperate forest of the Qinling Mountains, China

Guo

Peng

Yue

2019

Ecology and Evolution

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“…; Fukui et al. ), thereby overlooking the initial interactions that may set the dynamics of gap communities at later successional stages.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, no information on the immediate (within hours and days) or short-term (within weeks) effects of treefalls is available. With only a few exceptions, studies on 'young' tree-fall gaps to date have been carried out in gaps between 6 months and 3 years old (Blake and Hoppes 1986;Popma and Bongers 1988;Feener and Schupp 1998;Peñaloza and Farji-Brener 2003;Champlin et al 2009;Fukui et al 2011), thereby overlooking the initial interactions that may set the dynamics of gap communities at later successional stages.…”

Section: Introductionmentioning

confidence: 99%

Mind the gap: treefalls as drivers of parental trade‐offs

Rojas

2015

Ecology and Evolution

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Tree‐fall gaps are small‐scale disturbances whose formation, colonization, and role in forest dynamics are well documented, but whose effects on animal ecology are still greatly overlooked, except for studies comparing species richness of gaps 6+ months old to that in the closed canopy. Other factors associated with the invasion of fresh tree‐fall gaps such as animal breeding adaptations have been largely neglected. I studied the immediate (within hours and days) arrival of the poison frog Dendrobates tinctorius in new tree‐fall gaps to examine the dynamics of their invasion in relation to tadpole rearing. I found that rearing sites are occupied sooner and tadpoles deposited at higher rates in fresh gaps than in the closed forest, but that the rate of cannibalism is also much greater in the former. This suggests that invading new tree‐fall gaps can be the best parental decision when parents arrive early because they get access to fresh, high‐quality resources, but it could be to the detriment of the offspring if parents arrive late, because of overcrowding and cannibalism. These results highlight the importance of studying the earliest stages of invasions in order to have a better understanding of the composition of communities in disturbed ecosystems at later successional stages.

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“…Tree-fall gaps within mature forests are important foraging sites for a number of bat species [42,49,50], but research is limited on the effects of patch size and isolation on their use [40,49,51]. Understanding how factors like size and isolation impact the suitability of ESHs as bat foraging sites allows for the design of timber management activities that better provide for the foraging needs of bats [42].…”

Section: Bat Conservation and Forestrymentioning

confidence: 99%

An Incremental Economic Analysis of Establishing Early Successional Habitat for Biodiversity

et al. 2017

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Early successional habitat (ESH) is an important component of natural landscapes and is crucial to maintaining biodiversity. ESH also impacts endangered species. The extent of forest disturbances resulting in ESH has been diminishing, and foresters have developed timber management regimes using standard silvicultural techniques that enhance ESH. We developed a financial framework to evaluate these ESH-enhancing forest management regimes, driven by differences in timber harvest costs and timber revenue. The economic model was applied to on-the-ground prescriptions in the Nantahala National Forest (NNF) designed to increase biodiversity and foster improved public awareness of the importance of ESH. Bats, a current conservation concern, commonly exploit ESH and were the focus of our prescriptions. The prescriptions were based on shelterwood cuts of varying patch size, spacing between the cuts, and the trail area required to move from patch to patch. The results showed that prescriptions with large patch areas were effective in increasing ESH, with minimal impact on the financial performance of timber harvesting operations. This information can be used to minimize financial losses while catering to wildlife species that prefer ESH, in addition to increasing overall biodiversity.

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Effects of treefall gaps created by windthrow on bat assemblages in a temperate forest

Cited by 35 publications

References 43 publications

Canopy disturbance and gap partitioning promote the persistence of a pioneer tree population in a near‐climax temperate forest of the Qinling Mountains, China

Canopy disturbance and gap partitioning promote the persistence of a pioneer tree population in a near‐climax temperate forest of the Qinling Mountains, China

Mind the gap: treefalls as drivers of parental trade‐offs

An Incremental Economic Analysis of Establishing Early Successional Habitat for Biodiversity

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