Short-term arthropod recovery in Eucalyptus plantations after harvesting is not affected by different residue management practices

Eckert, Michelle; Gaigher, René; Pryke, James S.; Samways, Michael J.

doi:10.1016/j.foreco.2023.120973

Cited by 4 publications

(3 citation statements)

References 65 publications

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“…Tree plantations are intensively managed crops designed for the sustainable and competitive supply of a whole range of wood-based products [1], such as pulp, paper, clothing, furniture, and building structures. According to [2], wood product demand will increase from 2.3 to 3.1 billion m 3 of roundwood equivalent between 2020 and 2050.…”

Section: Introductionmentioning

confidence: 99%

“…There are several ways in which harvesting residues can be managed, such as burning, broadcasting, mulching, or collecting for energy use. The choice of the most suitable residue management method depends on several factors, such as terrain, weather, available markets, and residue load [1,6,7].…”

Section: Introductionmentioning

confidence: 99%

“…Broadcasting is the process of distributing residues left on site after harvesting. Broadcasting offers the benefits of retaining nutrients and minimising water and soil loss [1]. Furthermore, broadcasting can improve soil structure, increase nutrient availability, and promote soil biodiversity, all of which contribute to healthy plant growth [10].…”

Section: Introductionmentioning

confidence: 99%

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Performance of Harvesting Residue Treatment Methods in South African Pine Plantations

Zitha,

Ramantswana,

Spinelli

2023

Forests

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Forest harvesting generates variable amounts of residue that pose a fire hazard and a hindrance to regeneration and must be managed accordingly. In South Africa, burning is the most common residue management method, but there is interest in introducing safer and more effective techniques, such as mulching. For that reason, a productivity study was conducted in the Eastern Cape province after a mechanised cut-to-length (harvester and forwarder) harvesting operation to gather information on the productivity, cost, and work quality of the three main alternatives: manual broadcasting, manual broadcasting followed by mulching with an adapted farm tractor and mulching with a purpose-built mulcher. The stem wood residues after harvesting ranged from 12 to 14 ODT/ha. The average time consumption was 16 worker h/ha for manual broadcasting, 3.6 worker h/ha for mulching with a farm tractor, and 0.9 worker h/ha for mulching using a purpose-built mulcher (one pass). Manual broadcasting was the cheapest option, at an average cost of 400 ZAR/ha. Mulching with a farm tractor and a purpose-built mulcher incurred an average cost of 3267 ZAR/ha and 4083 ZAR/ha, respectively. Manual broadcasting achieved a minimal reduction in residue size, with 50% of the slash (branches and stem wood) having a mean length greater than 40 cm. When mulching with a farm tractor was applied, 49% of the slash (branches and stem wood) length was reduced to about 30 cm. When a purpose-built mulcher was used, only 10% of the slash elements exceeded 40 cm in length.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Performance of Harvesting Residue Treatment Methods in South African Pine Plantations

Zitha,

Ramantswana,

Spinelli

2023

Forests

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Combinative effects of thinning and prescribed burning on fuel reduction and soil arthropods: A case study in a Mediterranean pine forest

Longeard,

Santonja,

Morandini

et al. 2024

Ecology and Evolution

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Wildfire pressure involves today to implement silvicultural practices that provide a good compromise between reducing fire risk and maintaining ecological functioning. Thinning reduces tree density and low branches, but results in the deposition of a considerable biomass of woody debris on the ground (up to 4800 g m2 in this study). They can be eliminated by prescribed burning, but this raises questions about the fire intensity that can be generated and the impact on soil fauna. We undertook the monitoring of a thinning and prescribed burning operation, separated and combined, in November 2020, in a Pinus laricio stand prone to fire risk, located in Bavella, Corsica. Fuel load was determined, and temperature measurements in the soil were performed using K‐type thermocouples. Soil arthropod populations were monitored using pitfall traps, in particular Collembola, Acari, Aranae, and Coleoptera. The combination of thinning and burning resulted in a fire intensity of 75.8 versus 8.4 kW m−1 for burning alone. Maximum temperature rise measured at −2 cm below the surface was less than 5°C for both treatments. The combination of thinning and burning did not result in higher fire intensity at ground level than burning alone, and the soil showed high insulation capacity. Most of the woody debris that burned was small‐diameter, and large‐diameter debris remained unconsumed. This burning, performed during a period of low biological activity, had no effect on soil arthropods, and the presence of large debris may have provided refuge areas. Collembola group was the faster to recover, and were followed by cohorts of predators in summer, especially Acari. Our results suggest that a combination of burning and thinning in autumn may be beneficial for fire prevention. However, the decomposition of woody debris in relation to fire risk, and the occurrence of pests after these treatments need to be monitored.

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Influence of wheat-walnut intercropping on the Sitobion avenae and its predatory natural enemies

Gao,

Jia,

Liu

et al. 2024

Journal of Asia-Pacific Entomology

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Short-term arthropod recovery in Eucalyptus plantations after harvesting is not affected by different residue management practices

Cited by 4 publications

References 65 publications

Performance of Harvesting Residue Treatment Methods in South African Pine Plantations

Performance of Harvesting Residue Treatment Methods in South African Pine Plantations

Combinative effects of thinning and prescribed burning on fuel reduction and soil arthropods: A case study in a Mediterranean pine forest

Influence of wheat-walnut intercropping on the Sitobion avenae and its predatory natural enemies

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