Investigating constraints on direct seeding for native revegetation in the Tasmanian Midlands

Bailey, Tanya G.; Harrison, Peter A.; Hanusch, Yolanda; Ranyard, Claire E.; Hooghkirk, Charles; Davidson, Neil J.; Pinkard, Elizabeth A.; Potts, Brad M.

doi:10.1111/emr.12498

Cited by 6 publications

(1 citation statement)

References 27 publications

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“…Other factors should also be considered, such as the importance of adequate removal of local vegetation, as well as the favorable moisture content for successful emergence and survival of plants in the eld (Gibson-Roy et al 2007). Despite this, there are factors that make it di cult to apply direct sowing, such as damage caused by herbivores, weed competition and seedling mortality (Bailey et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Cost-effectiveness and ecological performance of direct seeding to compose arrangements in biodiverse agroforestry systems

Lobtchenko

Fernandes

Santos

et al. 2023

Preprint

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Deforestation of primary vegetation and degradation of pastures in Brazil has presented alarming numbers in recent years, which demonstrates the emerging need for environmental recovery strategies such as agroforestry systems (SAFs). Thus, the objective was to adopt a low cost technique such as direct sowing to compose spatial arrangements in SAFs in consortium with different agricultural crops and fertilizers, as well as to evaluate the cost-effectiveness. In the experiment, 23 native species from adjacent fragments were used. The treatments were formed by combining 2 sowing densities (5 and 10), 2 fertilizers (bovine manure and poultry litter), and 2 agricultural crops (watermelon and pumpkin). The seeds were arranged in a planting furrow measuring 2m in length, 10 cm in width and 5 cm in depth, spaced 2m apart and 2m between plots. Each treatment consisted of three repeat, and each repeat with 2 planting furrows. The use of direct seeding is a promising technique to increase species diversity in the composition of spatial arrangements of SAFs, especially if combined with organic fertilization and cultivation of agricultural crops, which has proven to be a profitable alternative to reduce restoration costs, can be completely amortized in a second cycle of cultivars, because until the establishment of the tree canopy of native species, the cultivation of agricultural crops can be a source of income to the farmer and ensure their food security.

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Section: Introductionmentioning

confidence: 99%

Cost-effectiveness and ecological performance of direct seeding to compose arrangements in biodiverse agroforestry systems

Lobtchenko

Fernandes

Santos

et al. 2023

Preprint

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Financing and governing ecological restoration projects: The Tasmanian Island Ark

Richardson¹,

Davidson²

2021

Eco Management Restoration

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This article examines the financial and governance dimensions of the Tasmanian Island Ark project, in the Tasmanian Midlands. It focuses on the intervention costs, funding sources and the legal context to financing, including property tenure, negotiated agreements and regulatory requirements. The case study shows that it is not easy to extrapolate financial data from one restoration project to another; however, the types of costs, their relative significance and timing, and legal context can be relevant considerations across diverse projects. The Tasmanian case study helps fill a gap in the literature about the financial side of ecological restoration projects and how planners can prepare for large landscape-scale interventions. The paper discusses the overarching constraints on environmental restoration practices and then presents the specific costs of restoration activities.

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New approaches for revegetating agricultural landscapes to provide connectivity for wildlife: The example of the Tasmanian Midlands, Australia

Davidson¹,

Bailey²,

Burgess³

et al. 2021

Eco Management Restoration

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There is an ongoing search for cost-effective, practical and successful methods for landscape-scale restoration required to meet the challenges posed by the United Nations Decade on Restoration 2021-2013. Mechanised cultivation techniques (rip mounding and Wilco spot cultivation), a range of revegetation strategies (dense reafforestation, riparian corridors, vegetation islets and scattered tree plantings) and best horticultural practice were employed to successfully establish extensive areas of local native trees and shrubs in highly altered agricultural landscapes within the Midlands of Tasmania, Australia. This region has been intensely farmed for the last 200 years and is characterised by past failures in native tree plantings. Between 2009 and 2018, 1800 ha were revegetated with a suite of hardy local native species to enhance, buffer and connect native vegetation remnants. These techniques were applied at a landscape scale to create biodiversity corridors that crossed the Midlands. Riparian corridors 100-200 m wide were created along 21 km of riverbank at an average density of 440 stems/ha. Fenced vegetation islets and individually caged scattered trees were established within and surrounding native vegetation remnants, at an average density of 143 stems/ha. Whole paddocks were densely reafforested at up to 800 stems/ha. Despite this, re-establishing structurally complex and species diverse native vegetation, which can provide habitat for local native animals, proved challenging. In areas highly altered by a long history of farming, repeated interventions and long-term relationships with landholders will be needed to achieve restoration objectives.

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Investigating constraints on direct seeding for native revegetation in the Tasmanian Midlands

Cited by 6 publications

References 27 publications

Cost-effectiveness and ecological performance of direct seeding to compose arrangements in biodiverse agroforestry systems

Cost-effectiveness and ecological performance of direct seeding to compose arrangements in biodiverse agroforestry systems

Financing and governing ecological restoration projects: The Tasmanian Island Ark

New approaches for revegetating agricultural landscapes to provide connectivity for wildlife: The example of the Tasmanian Midlands, Australia

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