Megan K. Good

Megan K. Good
University of Melbourne | MSD · School of BioSciences

PhD

About

15
Publications
5,168
Reads
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158
Citations
Citations since 2016
11 Research Items
141 Citations
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201620172018201920202021202201020304050
201620172018201920202021202201020304050

Publications

Publications (15)
Article
Full-text available
The biogeochemical properties of soils drive ecosystem function and vegetation dynamics, and hence soil restoration after mining should aim to reinstate the soil properties and hydrological dynamics of remnant ecosystems. The aim of this study is to assess soil structure in two vegetation‐types in an arid ecosystem, and to understand how these soil...
Article
Full-text available
Water availability is a critical driver of population dynamics in arid zones, and plant recruitment is typically episodic in response to rainfall. Understanding species’ germination thresholds is key for conservation and restoration initiatives. Thus, we investigated the role of water availability in the germination traits of keystone species in an...
Article
Full-text available
Seed germination traits are key drivers of population dynamics, yet they are under-represented in community ecology studies, which have predominately focussed on adult plant and seed morphological traits. We studied the seed traits and germination strategy of eight woody plant species to investigate regeneration strategies in the arid zone of easte...
Preprint
We study the seed traits and germination strategies of arid plant species to investigate their regeneration strategies and classify seed dormancy. Seeds of eight keystone species were germinated under three dirunal temperatures (30/20C, 25/15C and 17/7C) for 30 days. We also tested for decline in seed viability across 24 months in dry aging, and re...
Preprint
Full-text available
Seed germination traits are key drivers of population dynamics, yet they are under-represented in community ecology studies, which have predominately focussed on adult plant and seed morphological traits. We studied the seed traits and germination strategy of eight woody plant species to investigate regeneration strategies in the arid zone of easte...
Article
Plant strategy schemes aim to classify plants according to measurable traits and group species according to their shared evolutionary responses to selective pressures. In this way, it becomes possible to make meaningful comparisons among ecosystems and communities and to predict how plant communities might respond to changes in their environment. H...
Research Proposal
Recovery planning for threatened ecological communities could be made more efficient with a formal process for generalising knowledge on how ecosystems respond to different threats. This project aims to build on current progress in using State-Transition-Models (STMs) to support management decisions across many listed southern Australian eucalypt w...
Article
Full-text available
Disturbance has been considered essential for maintaining biodiversity in temperate grassy ecosystems in Australia. This has been particularly well demonstrated for inter-tussock plant species in C4 Themeda-dominated grasslands in mesic environments. Disturbance is also thought crucial to maintain the structure of preferred habitat for some animals...
Article
Full-text available
Motivation: The Tundra Trait Team (TTT) database includes field‐based measurements of key traits related to plant form and function at multiple sites across the tundra biome. This dataset can be used to address theoretical questions about plant strategy and trade‐offs, trait–environment relationships and environmental filtering, and trait variation...
Article
Full-text available
Mundulla Yellows is a dieback disorder of trees (predominantly eucalypts) along roadsides in the southeast of South Australia, characterized by interveinal yellowing of leaves and eventual death. There are two main theories about the cause of Mundulla Yellows: (1) that the yellowing is lime chlorosis, caused by crushed limestone dust from roads bei...
Chapter
Full-text available
Australia’s floodplain and riparian environments are dynamic, boom-bust systems shaped by spatial and temporal variation in water availability. Plant communities occupying riparian and floodplain environments broadly follow predictable patterns in terms of structure and diversity according to water availability (both surface and groundwater) in the...
Article
Full-text available
A popular hypothesis for tree and grass coexistence in savannas is that tree seedlings are limited by competition from grasses. However, competition may be important in favourable climatic conditions when abiotic stress is low, whereas facilitation may be more important under stressful conditions. Seasonal and inter-annual fluctuations in abiotic c...
Article
Full-text available
Semi-arid rangelands have strong feedbacks between vegetation and abiotic factors (rainfall and soil), which manifest at the small patch/inter-patch scale. The effects of excluding grazing at the small patch scale have not been studied in these systems, despite fine-grained patch/inter-patch mosaics determining landscape-scale ecosystem function an...
Article
Full-text available
Clearing of native vegetation and changes to disturbance regimes have resulted in dense regeneration of native trees and shrubs in parts of Australia. The conversion of open vegetation to dense woodlands may result in changes to the composition of plant communities and ecosystem function if structure, composition and function are tightly linked. Wi...
Article
Woody plant encroachment – the conversion of grasslands to tree- or shrub-dominated ecosystems – occurs in rangelands and savannas worldwide. In eastern Australia, coolibah (Eucalyptus coolabah subsp. coolabah Blakely & Jacobs) regenerated densely following floods in the mid 1970s, converting derived grasslands to dense woodlands. We compared soil...

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