Land Use, Landscapes, and Biological Invasions

Decker, Karie L.; Allen, Craig R.; Acosta, L. W.; Hellman, Michelle L.; Jorgensen, Christopher F.; Stutzman, Ryan J.; Unstad, Kody M.; Williams, Amy R; Yans, Matthew W.

doi:10.1614/ipsm-d-11-00007.1

Cited by 38 publications

(29 citation statements)

References 64 publications

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“…It might be tempting to explain the observed differences in landowner conservation behaviors between the CLTIP and the MFTIP with different land cover types that may differ in their susceptibility to colonization by invasive species, as shown in the study by Decker et al (2012) for Nebraska. Indeed, the presence of plantations or agriculture, grasslands or meadows, and pastures, had positive effects on invasive species management activities.…”

Section: Discussionmentioning

confidence: 99%

An investigation of the effects of conservation incentive programs on management of invasive species by private landowners

Drescher

Epstein

Warriner

et al. 2019

Conservat Sci and Prac

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Section: Discussionmentioning

confidence: 99%

An investigation of the effects of conservation incentive programs on management of invasive species by private landowners

Drescher

Epstein

Warriner

et al. 2019

Conservat Sci and Prac

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“…; Decker et al. ). Their findings can inform conservation planning by identifying the types of landowners who or communities that are not achieving desired conservation outcomes; managers may then target outreach toward these specific groups (e.g., Metcalf et al.…”

Section: Introductionmentioning

confidence: 99%

Using spatially explicit, time‐dependent analysis to understand how social factors influence conservation outcomes

Niemiec

Asner

Gaertner

et al. 2019

Conservation Biology

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Conservation across human‐dominated landscapes requires an understanding of the social and ecological factors driving outcomes. Studies that link conservation outcomes to social and ecological factors have examined temporally static patterns. However, there may be different social and ecological processes driving increases and decreases in conservation outcomes that can only be revealed through temporal analyses. Through a case study of the invasion of Falcataria moluccana in Hawaii, we examined the association of social factors with increases and decreases in invader distributions over time and space. Over 7 years, rates of invader decrease varied substantially (66–100%) relative to social factors, such as building value, whether land was privately or publically owned, and primary residence by a homeowner, whereas rates of increase varied only slightly (<0.1–3.6%) relative to such factors. These findings suggest that links between social factors and invasion in the study system may be driven more by landowners controlling existing invasive species, rather than by landowners preventing the spread of invasive species. We suggest that spatially explicit, time‐dependent analyses provide a more nuanced understanding of the way social factors influence conservation outcomes. Such an understanding can help managers develop outreach programs and policies targeted at different types of landowners in human‐dominated landscapes.

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“…native forest of grassland or agriculture) can inhibit or promote the movement and growth of non‐native propagules (Moody & Mack ; Decker et al . ; Manzoor et al . ).…”

Section: Introductionmentioning

confidence: 99%

Landscape characteristics of non‐native pine plantations and invasions in Southern Chile

2019

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The spread of non-native conifers into areas naturally dominated by other vegetation types is a growing problem in South America. This process results in a landscape transformation as the conifers suppress native vegetation leading to reduced biodiversity, lower water availability and altered nutrient dynamics. Previous research highlights the broad spatial extents of land cover change in parts of Chile. However, in Southern Chile, the extent of plantations and the landscape characteristics associated with plantations and ongoing pine invasions are poorly understood. Here, we characterised non-native pine land cover within one Landsat scene (World Reference System 2 Path 232/Row 92;~34 000 km 2 ) in Southern Chile. We created training data based on historical high-resolution imagery, derived land cover predictors from time series of Landsat observations and used a Random Forest classifier to map the distribution of non-native pines. The overall classification accuracy was 88%, and the accuracy of the non-native pine class exceeded 90%. Although 71% of non-native pine patches were within 500 m of other non-native pine patches, isolated non-native pine patches were found to occur up to 55 km from the nearest neighbour. These distant plantations could exacerbate invasion risk by creating propagule sources for novel invasion fronts. In relation to landscape characteristics, non-native pines were found to be more likely to occur in low slope and mid-elevation areas. Because most of the study area is native forest, most non-native pine patches border native forest. However, non-native pine patches were almost three times more likely than random patches to border grass/ agriculture. This suggests that grasslands and disturbed sites, which have low resistance to non-native pine invasion, are disproportionately exposed to pine propagules. Our results indicate that non-native pine plantations are extensive across Southern Chile, and well poised to cause future invasion.

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Land Use, Landscapes, and Biological Invasions

Cited by 38 publications

References 64 publications

An investigation of the effects of conservation incentive programs on management of invasive species by private landowners

An investigation of the effects of conservation incentive programs on management of invasive species by private landowners

Using spatially explicit, time‐dependent analysis to understand how social factors influence conservation outcomes

Landscape characteristics of non‐native pine plantations and invasions in Southern Chile

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