The impact of forest exploitation on Amazonian stingless bees (Apidae, Meliponini)

Gc, Venturieri

doi:10.4238/vol8-2kerr031

Cited by 15 publications

(11 citation statements)

References 24 publications

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“…Several of the findings of this investigation are of broad relevance for informed forest management and improved forest biodiversity conservation. This is because ecological problems created by a shortage of large trees, including trees with hollows, are common to many vegetation types worldwide (Newton 1994) including those in North America (Fischer and McClelland 1983, Fenger et al 2006, Lutz et al 2009), South America (Oliveira et al 2008, Venturieri 2009), Europe (Fries et al 1997, Linder and Ö stlund 1998, Ranius et al 2009), Asia (Eltz et al 2003, Lohmus 2003, and Australia Lindenmayer 2002, Crane et al 2010). One of the ways in which these problems manifest is the decline of biota associated with trees with hollows (Newton 1994, 1998, Fenger et al 2006, Perry et al 2008, Bunnell and Dunsworth 2009).…”

Section: Forest and Wildlife Management Implicationsmentioning

confidence: 99%

Cross-sectional vs. longitudinal research: a case study of trees with hollows and marsupials in Australian forests

Lindenmayer

Wood

McBurney

et al. 2011

Ecological Monographs

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How different are insights based on cross-sectional studies from those of longitudinal investigations? We addressed this question using a detailed case study encompassing a rare suite of inter-connected cross-sectional and longitudinal investigations that have spanned the past two decades and included work on: (1) the decay and collapse of large-cavity forest trees (termed ''trees with hollows''), (2) populations of a suite of species of arboreal marsupials that are reliant on trees with hollows as nesting and denning sites, and (3) relationships between the abundance, type, and condition of trees with hollows and the presence, abundance, and species richness of these animals. Our case study was from the montane ash eucalypt forests of the Central Highlands of Victoria, southeastern Australia.Our longitudinal studies led to new insights that either would not have been possible from a cross-sectional study, or which were unexpected because they did not conform, or only partially conformed, to postulated responses made at the outset based on the results of earlier research. These new insights included: (1) a substantial slowing in rates of tree fall between 1997 and 2006, which were significantly lower than predicted from earlier data gathered between 1983 and 1993, (2) no evidence for a decline in populations of almost all species of arboreal marsupials between 1997 and 2007, despite the loss of nearly 14% of the measured population of trees with hollows during that time, (3) changes in nest tree selection by some species of arboreal marsupials in response to these changes in hollow availability, (4) concentration effects, in which populations of animals used the declining tree hollow resource more intensively, and (5) evidence for significant rainfall effects on temporal changes in animal abundance.Our case study underscored the additional ecological insights that can be generated from longitudinal studies, including how relationships between biota and their habitat can change over time. Understanding these temporal changes is essential for informed forest management and biodiversity conservation, and points toward the need for greater use of longitudinal data sets in ecology.

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Section: Forest and Wildlife Management Implicationsmentioning

confidence: 99%

Cross-sectional vs. longitudinal research: a case study of trees with hollows and marsupials in Australian forests

Lindenmayer

Wood

McBurney

et al. 2011

Ecological Monographs

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“…On the other hand, the absence of bees on rambutan flowers in the oil palm plantation indicating that this monoculture vegetation resulted in the negative impact on the most important pollinators. A number of other studies also showed the conversion forest showed similar phenomenon (e.g., Liow et al 2001;Venturieri 2009;Winfree 2011). Among pollinators, it was suggested that bees are the highest proportion received negative impact due to human activities (Winfree 2011).…”

Section: Discussionmentioning

confidence: 66%

“…Thus, given the vast area of oil palm plantation making the cleared area are beyond bee flying distance. In addition, oil palms do not produce nectar and no hollows are available for cavitynesting bees, making them unsuitable for nest building (Oldroyd and Nanork 2009;Venturieri 2009).…”

Section: Discussionmentioning

confidence: 99%

The impact of oil palm plantation on ecology of rambutan (Nephelium lappaceum) insect pollinators

et al. 2018

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Syarifuddin, Hafnisiregar E, Jambak J, Suryani C. 2018. The impact of oil palm plantation on ecology of rambutan(Nephelium lappaceum) insect pollinators. Biodiversitas 19: 1347-1351. The establishment of oil palm plantation in Sumatra was theresult of massive conversion of its rainforest. Many studies have shown that oil palm plantation is a main threat to biodiversity includinginsect pollinators. However, its effect on the ecology of insect pollinators is still poorly studied. In this study, we investigated the impactof oil palm plantation on the species richness and composition, abundance as well as pattern of time period and duration of insect visiton rambutan, Nephelium lappaceum, flowers. Insect visitors of flowers were compared between rambutan grown in the Oil PalmPlantation (OPP) ecotone and the one in the mixed Oil Palm Garden Forest (OPGF) ecotone. Number of visiting insects on eachpannicle in ten minutes period and number of flowers and pannicles visited within 2 minutes were enumerated. The length of time of arandomly selected individual of the most abundant insects visited a flower and a pannicle was also recorded. The results showed thatspecies composition of insect visitors was different between the two ecotones and total insect abundance was significantly higher onrambutan flowers located in the OPGF ecotone compared to rambutan trees grown close to oil palm plantation. The insect visitors onrambutan flowers in the OPGF ecotone were dominated by bees while in the OPP was dominated by Calliphorid fly. Among the mainpollinators, the bee Apis cerana visited far more flowers and pannicles compared to Trigona sp and Chrysomya sp. Thus, more evidenceshowing that oil palm plantation probably has caused the disappearance of main species of bee pollinators, reduced abundance of flowervisitinginsects, change of pollinator species composition, change of the pattern of time and change the duration of insect visit oframbutan flowers.

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“…Many kinds of human disturbances cause this problem, including recurrent logging, altered fire regimes, grazing by domestic livestock, and the impacts of exotic plants. The loss is global, occurring in North America [21]–[23], South America [24], [25], Europe [26], [27], Asia [28], and Australia [29], [30].…”

Section: Introductionmentioning

confidence: 99%

Interacting Factors Driving a Major Loss of Large Trees with Cavities in a Forest Ecosystem

et al. 2012

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Large trees with cavities provide critical ecological functions in forests worldwide, including vital nesting and denning resources for many species. However, many ecosystems are experiencing increasingly rapid loss of large trees or a failure to recruit new large trees or both. We quantify this problem in a globally iconic ecosystem in southeastern Australia – forests dominated by the world's tallest angiosperms, Mountain Ash (Eucalyptus regnans). Tree, stand and landscape-level factors influencing the death and collapse of large living cavity trees and the decay and collapse of dead trees with cavities are documented using a suite of long-term datasets gathered between 1983 and 2011. The historical rate of tree mortality on unburned sites between 1997 and 2011 was >14% with a mortality spike in the driest period (2006–2009). Following a major wildfire in 2009, 79% of large living trees with cavities died and 57–100% of large dead trees were destroyed on burned sites. Repeated measurements between 1997 and 2011 revealed no recruitment of any new large trees with cavities on any of our unburned or burned sites. Transition probability matrices of large trees with cavities through increasingly decayed condition states projects a severe shortage of large trees with cavities by 2039 that will continue until at least 2067. This large cavity tree crisis in Mountain Ash forests is a product of: (1) the prolonged time required (>120 years) for initiation of cavities; and (2) repeated past wildfires and widespread logging operations. These latter factors have resulted in all landscapes being dominated by stands ≤72 years and just 1.16% of forest being unburned and unlogged. We discuss how the features that make Mountain Ash forests vulnerable to a decline in large tree abundance are shared with many forest types worldwide.

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The impact of forest exploitation on Amazonian stingless bees (Apidae, Meliponini)

Cited by 15 publications

References 24 publications

Cross-sectional vs. longitudinal research: a case study of trees with hollows and marsupials in Australian forests

Cross-sectional vs. longitudinal research: a case study of trees with hollows and marsupials in Australian forests

The impact of oil palm plantation on ecology of rambutan (Nephelium lappaceum) insect pollinators

Interacting Factors Driving a Major Loss of Large Trees with Cavities in a Forest Ecosystem

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