Original Articles: Ecological Resilience, Biodiversity, and Scale

Peterson, Garry; Allen, Craig R.; Holling, C. S.

doi:10.1007/s100219900002

Cited by 1,297 publications

(950 citation statements)

References 63 publications

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“…5 Transient concentrations of soluble chemical oxygen demand (COD) and polyhydroxyalkanoates (PHAs) in an anaerobic/aerobic sequencing batch reactor seeded with a mixed microbial consortium and fed raw wastewater and methanol (at t=0). 6 Denaturing gradient gel electrophoresis (DGGE) gel of bacterial 16S rDNA polymerase chain reaction (PCR) products amplified from mixed microbial consortium PHA-producing reactors, seed material from the Moscow, Idaho wastewater treatment facility (Lane D), and the primary solids fermenter liquor (Lane E). Lane FE-1 was inoculated with a microbial seed obtained from the Moscow, Idaho wastewater treatment facility and fed fermentate-rich wastewater.…”

Section: Discussionmentioning

confidence: 99%

“…Although this fundamental requirement is not necessarily congruent with all current biological treatment processes (e.g., biological nitrogen removal; biological phosphorus removal (2,3)), recent research applying advanced molecular techniques provides evidence of stable ecological functions within diverse and seemingly different mixed microbial populations (4,5). In fact, ecological resilience and maintenance of function is proposed to be predicated on species diversity (6).…”

Section: Introductionmentioning

confidence: 99%

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Functional Stability of a Mixed Microbial Consortium Producing PHA From Waste Carbon Sources

Thompson¹,

Coats²,

Smith³

et al. 2007

Applied Biochemistry and Biotecnology

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Polyhydroxyalkanoates (PHAs) represent an environmentally-effective alternative to synthetic thermoplastics; however, current production practices are not sustainable. In this study, PHA production was accomplished in sequencing batch bioreactors utilizing real wastewaters and mixed microbial consortia from municipal activated sludge as inoculum. Polymer production reached 85%, 53%, and 10% of the cell dry weight from methanol-enriched pulp-and-paper mill foul condensate, fermented municipal primary solids, and biodiesel wastewater, respectively. Employing denaturing gradient gel electrophoresis of 16S-rDNA from PCR-amplified DNA extracts, distinctly different communities were observed between and within wastewaters following enrichment.Most importantly, functional stability was maintained despite differing and contrasting microbial populations.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Functional Stability of a Mixed Microbial Consortium Producing PHA From Waste Carbon Sources

Thompson¹,

Coats²,

Smith³

et al. 2007

Applied Biochemistry and Biotecnology

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“…Although no generic relations between landscape structure indices and species richness are found that hold across different contexts and scales, many studies have confirmed the importance of spatial structure as a determinant of species richness (Atauri and de Lucio 2001;Fahrig 2003;Di Giulio et al 2009;Gimona et al 2009). Others have investigated the role of spatial structure of landscapes in relation to resilience to disturbance (Peterson et al 1998). The increasing importance of ecosystem services as an operational concept guiding environmental management has led to investigations into the role of landscape properties as determinant of ecosystem service provision Nelson et al 2009;Perrings et al 2011).…”

Section: Landscape Ecology and Environmental Changementioning

confidence: 99%

The representation of landscapes in global scale assessments of environmental change

Verburg¹,

Asselen²,

Zanden³

et al. 2012

Landscape Ecol

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Landscape ecology has provided valuable insights in the relations between spatial structure and the functioning of landscapes. However, in most global scale environmental assessments the representation of landscapes is reduced to the dominant land cover within a 0.5 degree pixel, disregarding the insights about the role of structure, pattern and composition for the functioning of the landscape. This paper discusses the contributions landscape ecology can make to global scale environmental assessments. It proposes new directions for representing landscape characteristics at broad spatial scales. A contribution of landscape ecologists to the representation of landscape characteristics in global scale assessments will foster improved information and assessments for the design of sustainable earth system governance strategies.

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“…Body size can be also an alternative predictor of how organisms acquire resources in space (Peters 1983;Ritchie and Olff 1999). For example, a correlation exists between the body size of avian predators or mammalian seed dispersers and the spatial scale of their landscape-wide resource use (Peterson et al 1998). Forest fragmentation affects four parasitoids of the forest tent caterpillar at different spatial scales depending on their body sizes (Roland and Taylor 1997).…”

Section: Discussionmentioning

confidence: 99%

Functional spatial scale of community composition change in response to windthrow disturbance in a deciduous temperate forest

Hirao

Murakami

Oguma

2007

Ecological Research

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Community dynamics in local habitats are affected by landscape characteristics such as the area and connectivity of surrounding habitats at a functional spatial scale where the community responds to landscape structure. However, the functional spatial scale at which community composition is affected by landscape structure has never been explored. We assessed the functional spatial scales of composition change in birds and in three types of arthropod communities (canopy, forest-floor and flying ones) with regard to landscape heterogeneity resulting from a large typhoon in a temperate forest of Japan.We examined the effects of tree-fall disturbance on the communities at various spatial scales, with special attention to compositional evenness. The spatial scale of the best-fitting model, which was selected from models fitted to the disturbance area at stepwise spatial scales, was interpreted as the community-specific functional spatial scale.The composition of all communities studied was all significantly dependent on gap area.

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Original Articles: Ecological Resilience, Biodiversity, and Scale

Cited by 1,297 publications

References 63 publications

Functional Stability of a Mixed Microbial Consortium Producing PHA From Waste Carbon Sources

Functional Stability of a Mixed Microbial Consortium Producing PHA From Waste Carbon Sources

The representation of landscapes in global scale assessments of environmental change

Functional spatial scale of community composition change in response to windthrow disturbance in a deciduous temperate forest

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