Breeding bird communities of recently restored and natural prairie potholes

Delphey, Philip J.; Dinsmore, James J.

doi:10.1007/bf03160881

Cited by 70 publications

(36 citation statements)

References 8 publications

(5 reference statements)

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“…Certainly railway lines may act as major sources of noise. Similarly, birds rely on emergent vegetation zones for nesting habitat (Delphey and Dinsmore 1993), and thus the area of emergent vegetation available could have an important effect on bird communities. It is unclear to us why the area of emergent vegetation was not predictive of the biotic integrity of wet meadow plants.…”

Section: Discussionmentioning

confidence: 99%

The accuracy of land cover-based wetland assessments is influenced by landscape extent

et al. 2012

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Widespread degradation of wetlands has motivated the development of tools to evaluate wetland condition. The application of field-based tools over large regions can be prohibitively expensive; however, land cover data may provide a surrogate for intensive assessments, enabling rapid and cost-effective evaluation of wetlands throughout whole regions. Our goal was to determine if land cover data could be used to estimate the biotic integrity of wetlands in Alberta's Beaverhills watershed. Biotic integrity was measured using both plant-and bird-based indices of biotic integrity (IBIs) in 45 wetlands. Land cover data were extracted from seven nested landscape extents (100-3,000 m radii) and used to model IBI scores. Strong, significant predictions of IBI scores were achieved using land cover data from every spatial extent, even after factoring out the influence of location to address the spatial autocorrelation of land cover classes. Plant-based IBI scores were best predicted using data from 100 m buffers and birdbased IBI scores were best predicted using data extracted from 500 m buffers. Road cover or density and measures of the proportion of disturbed land were consistent predictors of IBI score, suggesting their universal importance to plant and bird communities. Simplified models using the proportion of undisturbed land were less accurate than more detailed models (reductions in r 2 of 0.31-0.32). Regardless of the level of detail in land cover classification, our results emphasize the need to optimize landscape extent for the taxonomic group of interest: an issue that is typically poorly articulated in studies reporting on the development of GIS-based assessment methods. Our results also highlight the need to calibrate models in test areas before scaling up, to ensure predictive accuracy.

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Section: Discussionmentioning

confidence: 99%

The accuracy of land cover-based wetland assessments is influenced by landscape extent

et al. 2012

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“…Many studies have compared breeding bird species richness, abundance, diversity, and community composition in restored and natural wetlands in the Prairie Pothole Region (LaGrange and Dinsmore, 1989;Sewell and Higgins, 1991;Delphey and Dinsmore, 1993;Hemesath and Dinsmore, 1993;Schreiber, 1994;Schafer, 1996;VanRees-Siewert and Dinsmore, 1996;Dault, 2001;Ratti and others, 2001) and elsewhere in the United States (Hartman, 1994;Brown and Smith, 1998;Muir Hotaling and others, 2002). As with our study, previous research has indicated that restored wetlands are providing valuable habitat for many species of birds during the breeding season, which emphasizes the value of efforts to restore wetlands in this region (Ratti and others, 2001); however, van der Valk (1994, 1996) cautioned that, although plant or bird communities of restored wetlands may resemble those of natural wetlands as successional changes occur with age (for example, VanRees-Siewert and Dinsmore, 1996;Fairbairn and Dinsmore, 2001), restored wetlands with only some of the characteristics of natural wetlands should not be considered comparable to natural wetlands in function.…”

Section: Discussionmentioning

confidence: 99%

“…Taped calls of seven secretive marsh bird species were broadcast during the survey of a wetland to elicit responses (Delphey and Dinsmore, 1993;Gibbs and Melvin, 1993;Ribic and others, 1999). The broadcast tape was 5 minutes in length and included common calls, 26-50 seconds in length, of each focal species.…”

Section: Methods For Wetland Breeding Bird Surveysmentioning

confidence: 99%

The influence of local- and landscape-level factors on wetland breeding birds in the Prairie Pothole Region of North and South Dakota

Igl¹,

Shaffer²,

Johnson³

et al. 2017

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“…In 1998, 54% of Hilliardton Marsh was marsh habitat one to five years old. Increased vegetation diversity, percent cover, and structure attract a greater diversity of birds compared to less vegetated marshes (Whitman 1976;Kantrud and Stewart 1984;Delphey and Dinsmore 1993;Weller 1994;VanRees-Siewert and Dinsmore 1996). Many edge habitats were created and these are prime habitat for many bird species (Cyr et al1995).…”

Section: Discussionmentioning

confidence: 99%

Effects of Wetland Creation on Breeding Season Bird Use in Boreal Eastern Ontario

2005

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Wetland construction has been an effective means of mitigating wetland habitat losses due to agricultural and other activities. However, the type, variety, and age of the habitats created are often critical components in the success of the wetland when the aim is to enhance the bird community. Hilliardton Marsh was constructed as a series of cells between 1993 and 1997 in boreal eastern Ontario to provide waterfowl habitat. We determined habitat change and monitored breeding-season bird use before construction and one year after the last cell was constructed. Wetland construction resulted in dramatic changes to the vegetation and bird communities. The area was transformed into a variety of wetland habitats, but primarily marsh, one of the rarest wetland types in boreal Ontario. Survey stations with moderate habitat change exhibited the greatest change in bird species richness. Total species richness increased 55% from 56 to 87 species, with obligate wetland birds increasing from 3 to 26 species. Rare birds increased from 11 to 27 species, with most as obligate or facultative wetland birds, but also Peregrine Falcon (Falco peregrinus). Bird abundance, as measured by the number of stations where a species was observed, increased significantly for obligate wetland birds. There were no significant losses of species from any bird group, as adjacent upland habitat was preserved. This short-term study has shown that construction of new wetland habitat in boreal eastern Ontario, especially marsh, can significantly increase the numbers of breeding-season birds, including rare species. However, longterm monitoring is required to ensure sustained success of wetland construction projects for birds.

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Breeding bird communities of recently restored and natural prairie potholes

Cited by 70 publications

References 8 publications

The accuracy of land cover-based wetland assessments is influenced by landscape extent

The accuracy of land cover-based wetland assessments is influenced by landscape extent

The influence of local- and landscape-level factors on wetland breeding birds in the Prairie Pothole Region of North and South Dakota

Effects of Wetland Creation on Breeding Season Bird Use in Boreal Eastern Ontario

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