Marsupials in Urban Environments

Springer eBooks, Journal Year: 2023, Volume and Issue: unknown, P. 1483 - 1514

Published: Jan. 1, 2023

Language: Английский

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How many macropods?A manager’s guide to small‐scale population surveys of kangaroos and wallabies

Ecological Management & Restoration, Journal Year: 2021, Volume and Issue: 22(S1), P. 75 - 89

Published: Nov. 1, 2021

Summary Every macropod population is unique in terms of the combination species, site and management goals, so there no universal ‘best’ method for surveying populations. We distinguish between different measures abundance confidence a manager can place them. examine separate components survey methods: platform, mode detection form sampling. also review range current methods available highlight new developments, including their assumptions limitations. To guide managers choosing context, we provide decision matrix based on behavioural ecology target structure habitat at porosity boundary. promote best practice, describe detail four standard counting direct count, sweep faecal accumulation rate distance

Language: Английский

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The Sky Is Not the Limit: Use of a Spray Drone for the Precise Application of Herbicide and Control of an Invasive Plant in Managed Wetlands

Remote Sensing, Journal Year: 2023, Volume and Issue: 15(15), P. 3845 - 3845

Published: Aug. 2, 2023

Controlling non-native plant invasions that reduce the quality of preferred wetland habitats is a challenge for many managers. Herbicides may be used to control invasions, but it difficult find effective application methods depending on terrain. Manned aircraft cover large patches, aerial use limited by high costs, weather conditions, and overspray concerns. Ground applications target smaller their effectiveness accessibility, labor applicator health Considering these difficulties, unmanned systems (UAS) have emerged as viable alternative more effectively treating invasions. We tested specialized UAS invasive perennial pepperweed (Lepidium latifolium) in Suisun Marsh northern California, USA. This “spray drone” flew at an altitude 2–3 m, speed 24 kmph, applied herbicide with swath width 6 m. spray drone treat small patches before they expanded. To delineate patch boundaries, we first survey 4K resolution camera detect emerging plants color imagery conduct initial classification analysis. subsequently visited areas suspected based classification, observers manually confirmed presence species. then transects examined results post-treatment plots along ground transects. In total, sprayed 14 ha Lepidium across eight sites found 87% was discernibly affected our treatment. Furthermore, measured overspray, which substantially less than reported other such helicopter-spraying, estimated operational costs were lower. Our indicated applying remote-sensing identification species treatment means controlling precision reasonable cost. near future, unified system both identifies treats them single pass should promising goal early detection rapid response management.

Language: Английский

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The use of unmanned aerial vehicles for wildlife research

BIOCYT Biología Ciencia y Tecnología, Journal Year: 2023, Volume and Issue: 16, P. 1170 - 1187

Published: Aug. 15, 2023

In this bibliographic review, I provide an overview of wildlife studies that have been conducted using drones (unmanned aerial vehicles) and the opportunities exist for their future implementation. Drones are useful census population trends, patterns habitat use, species identification, measurement individuals, assessing anthropogenic effect on habitat. advantages over manned aircraft to conduct surveys, such as obtaining georeferenced images videos, safety researcher, low cost, need little logistics. However, disadvantages, limited flight time distance range, may present a risk when flying near wildlife, it is necessary take certain measures implement comply with legislation each country. Through case demonstrated how acquired great potential revolutionize study wildlife.

Language: Английский

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Individual differences in responses to unmanned aerial vehicles among Weddell seals, Leptonychotes weddellii

Animal Behaviour, Journal Year: 2024, Volume and Issue: 213, P. 173 - 182

Published: June 7, 2024

Language: Английский

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