The influence of habitat and landscape on small mammals in Estonian coastal wetlands

Scott, Dawn M.; Joyce, Christopher; Burnside, Niall

doi:10.3176/eco.2008.4.05

Cited by 25 publications

(19 citation statements)

References 39 publications

(47 reference statements)

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“…They reported that using this method, fox detectability was extremely low and the method severely underestimated fox occupancy in South Australia. Scott, Joyce & Burnside () also reported that although 70 transect lines were sampled at six different sites in Estonian coastal wetlands, the number of small mammals captured along those transects was very low.…”

Section: Discussionsupporting

confidence: 90%

“…Different techniques have been developed and implemented to monitor small game species presence, abundance and distribution. These include line transect (Stenkewitz, Herrmann & Kamler, ), trapping (Amacher et al ., ; Scott, Joyce & Burnside, ), pellets (Lozano et al ., ) and mark–recapture methods. Although trapping and recapture techniques have been used in sampling small animals, studies (Cassey & Ussher, ; Lozano et al ., ; Stenkewitz, Herrmann & Kamler, ) have noted that using these methods, species are frequently handled and subjected to some level of stress.…”

Section: Introductionmentioning

confidence: 99%

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A new potential method to estimate abundance of small game species

2015

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This study tested the hypothesis that nonlinear transects, such as the L‐, V‐ and W‐shaped transect, which are widely used in soil sampling but rarely in ecology, may perform better in capturing habitat heterogeneity potentially resulting in more accurate small game species estimates, than straight‐line transects. To test this, we computed and compared the Normalized Difference Vegetation Index (NDVI) captured by the straight‐line, L‐shaped, V‐shaped and W‐shaped transects for Kyle Game Reserve (Zimbabwe), inside the home ranges of two small game species, namely species A and species B. These transects differed in geometry but had the same length. We also performed simulations in a geographic information system environment to compare the detection ability of the different transect geometry. One‐way analysis of variance followed by Tukey's honest significant difference test was used to test for significant differences in the mean number of detections and NDVI variance captured by each transect geometry. Simulations results indicate that for both home ranges, the V‐shaped transect resulted in significantly higher detections than the widely used straight‐line transect. Nonlinear transects also yielded higher NDVI variances than the straight‐line transect in both home ranges.

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Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

A new potential method to estimate abundance of small game species

2015

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“…1). In Estonian coastal wetlands, the highest diversities of small mammals were recorded in reed-beds, a total of only six species, dominated by A. agrarius (Scott et al 2008). In eastern part of Slovakia, A. agrarius may become the dominating species in reed habitats (Stanko et al 2008), while in the Slovakian Danube area, a total of 16 species were registered in reed habitat with S. araneus, M. glareolus, and A. sylvaticus dominating.…”

Section: Discussionmentioning

confidence: 99%

The influence of spring floods on small mammal communities in the Nemunas River Delta, Lithuania

2012

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The influence of the annual spring floods on small mammal communities was studied in the Nemunas River Delta, SW Lithuania. The aim of the investigation was to compare the diversity of small mammals inhabiting springflooded meadows, meadows not subjected to flooding and spring-flooded forest in years characterized by differing heights and durations of spring flood. In the years of the high flood, the number of species and diversity index were higher, while index of dominance was less than in the years of low flood. Significantly, the highest proportions of Apodemus agrarius were recorded in spring-flooded meadows in years of high flood (41.7%), while Microtus oeconomus occurred in the highest proportions in spring-flooded meadows in years of low flood (66.8%) and in meadows not subjected to flooding (47.1%). In non-flooded areas, M. oeconomus is not expelled by the floods and outcompetes other species. After high levels of flooding, during the process of re-population, the voles may be outcompeted by A. agrarius. In the absence of dominant species, greater opportunities existed for the establishment of more species (13 species in flooded meadows). Micromys minutus accounted for up to 19.5-30.1% in the years of high flood. We concluded that the annual spring floods in the Nemunas Delta had no long-term negative effects, the number of small mammal species and their abundance had been restored in just a few months. The worst consequences of the high flood were recorded in forest habitat. Spring floods, and especially the higher floods, are natural environmental agents, maintaining the high diversity of small mammals in meadows and reed-beds.

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“…Wetlands are also an important habitat for small mammals. Scrub and woodland around wetlands offer temporary refuge during flood events (Scott et al 2008). Large mammals were not observed in the sub-watersheds except the downstream sub-watershed.…”

Section: Discussionmentioning

confidence: 99%

Relationship between biodiversity and landscape structure in the Gyungan stream basin, central Korea

Lim

Kim

et al. 2016

Entomological Research

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The relationship between landscape structure and biodiversity was investigated in the Gyungan stream basin, central Korea, in order to prepare a biodiversity conservation plan. The study area was divided into upstream, midstream, downstream and Gonjiam stream sub‐watersheds based on the land use pattern of each sub‐watershed. The quality of the terrestrial landscape was assessed by connectivity and percentages of deciduous broad‐leaved forest and urbanized area. The quality of the terrestrial landscape was the highest in the downstream sub‐watershed followed by Gonjiam stream, midstream and upstream sub‐watersheds. The quality of the riparian landscape assessed by percentages of the number and the area that the wetland vegetation elements occupy in the whole area showed a similar trend to that of terrestrial landscape. The diversity of all taxa including fish, reptiles and amphibians, birds, mammals and wetland vegetation except benthic macroinvertebrates was the highest downstream. The diversity of benthic macroinvertebrates was the highest in the Gonjiam stream sub‐watershed. Thus, biodiversity was shown to be the highest in the downstream sub‐watershed, followed, in order, by Gonjiam stream, midstream and upstream sub‐watersheds in proportion to landscape quality. On the other hand, the quality of the aquatic environment based on the ecological score of benthic macroinvertebrate (ESB) index was the highest downstream, followed, in order, by upstream, Gonjiam stream and midstream areas. This trend is different from that of biodiversity. In order to improve landscape quality degraded by excessive land use and to increase biodiversity, we recommended a restoration plan that addresses both ecosystem and landscape.

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The influence of habitat and landscape on small mammals in Estonian coastal wetlands

Cited by 25 publications

References 39 publications

A new potential method to estimate abundance of small game species

A new potential method to estimate abundance of small game species

The influence of spring floods on small mammal communities in the Nemunas River Delta, Lithuania

Relationship between biodiversity and landscape structure in the Gyungan stream basin, central Korea

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