Resource management plan



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ARROWSMITH TIMBER SUPPLY AREA

South Island Forest Disctrict
RESOURCE MANAGEMENT PLAN

For the period 2001-2006
SUSTAINABLE HARVEST COMPONENT

Table of Contents

Article 1 Introduction 4

Article 2 Basic Data 4

Section 2.1 Administrative Information 4

Section 2.2 Land Area 4

Section 2.3 Annual Allowable Cut (AAC) and Harvest Forecast 4

Section 2.4 Site Class, Age Class and Tree Species Profile 5

Species 5



Article 3 Timber Supply Issues 5

Section 3.1 Quantity 5

Section 3.2 Quality 6

Section 3.3 The Role of Incremental Silviculture 6



Article 4 Incremental Silviculture History 7

Section 4.1 Incremental Treatments in the Arrowsmith TSA 7

Section 4.2 Link To AAC and TSR II 7

Article 5 Opportunities to Increase Timber Supply 8

Section 5.1 Opportunities through TSR Sensitivity Analyses 8



Article 6 Strategies to Increase the Quantity of Future Timber Supply 8

Section 6.1 Short Term 8

Section 6.2 Mid Term 8

Section 6.3 Long Term 8



Article 7 Strategies to Increase the Quality of Future Timber Supply 9

Section 7.1 Product Objectives 9

Section 7.2 Potential Treatments/Strategy 9

Section 7.3 Premium Log Forecast 9



Article 8 Habitat Supply 9

Section 8.1 Issues 9

Section 8.2 Objectives/Treatments- Stand Level Biodiversity 9

Objective 10

Section 8.3 Objectives/Treatments-Landscape Level Biodiversity 10

Article 9 Working Targets 11

Section 9.1 Quantity 11

Section 9.2 Quality 11

Section 9.3 Habitat Supply/Biodiversity 11



Article 10 Proposed Program 12

Article 11 Performance Measures 12

Article 12 Licensee Partnerships 12

REFERENCES 14



Appendix 1 Silviculture History for the Arrowsmith TSA 15

Appendix 2 Treatment Regime Table 17


Arrowsmith Timber Supply Area

2001-2006 Resource Management Plan

Sustainable Harvest Component

  1. Introduction

This document was prepared in response to the FRBC requirement for resource management planning. The information that follows gives a background to the Arrowsmith TSA, an outline of the timber supply issues, an incremental silviculture history and a link to the timber supply review process. The latter part of this document outlines opportunities to increase timber supply and timber quality, provides working targets and supports these opportunities and targets with a proposed 5 year incremental silviculture program.



  1. Basic Data

    1. Administrative Information


The Arrowsmith TSA is located on the southern half of Vancouver Island within the Vancouver Forest Region. Many of the communities within the district are heavily dependent on the forest industry. The TSA consists of the Small Business Forest Enterprise Program (SBFEP) charted areas and Forest Licences.
    1. Land Area


Table 2.02 Land Area

Description

Area(ha)

Area %

Total Area of TSA

168,800

100

Total Productive Forest

124,600

74

Net Timber Harv. Land Base

75,200

45
    1. Annual Allowable Cut (AAC) and Harvest Forecast


Table 2.03 Annual Allowable Cut

AAC Type

Pre-TSR

TSR 1

Change (%)

Conventional

464,630

380,000

13,700

393,700

- 15.3


Deciduous

3870

6300

+62.8

Insect Disease










Marginal










Total

468,500

400,000

-14.6

Woodlot AAC




13,750



The initial harvest level (IHL) of 468,500 m3 was maintained for only one decade. After this, declines averaging 12%/decade are expected until a midterm harvest level of 277,000 m3 (42% below IHL, 30% below TSR 1 AAC) is reached 50 years from now. This downturn will continue until 140 years from now, when the harvest rate will increases by 10%/decade to reach a long-term harvest level (LTHL) of 377,000m3 (30% below IHL, 14% below TSR 1 AAC).


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