Weed Control and Monitoring in Tuff Crater Reserve, North Shore, Auckland.
Weed Control and Monitoring in Tuff Crater Reserve, North Shore, Auckland.
Date: May 2010.
Table of Contents
Summary 3
1. Introduction 4
2. Background 4 2.1. Objectives 4 2.2. Description of the Area 5 2.3. Site Location 8 2.4. Site Plan 9 2.5. Plan of Management Unit 7. 10 2.6. Incorporation of Relevant Statutory and Policy Documents 10
3. Method 12 3.1. Sampling Methods 12 3.1.1. Plot Procedure 12 3.1.2. Photo Point 13 3.2. Controlling Methods 13 3.2.1. Herbicides 13 3.2.2. Manual Weed Control 14
4. Result 14 4.1. Result monitoring 15 4.2. Outcome monitoring 15 4.3. Graphs of the weed monitoring 16 4.3.1. Graph of elaeagnus density in the plot area before the weed control 16 4.3.2. Graph of elaeagnus density in the plot area after the weed control 16 4.3.3. Graph of weed density in the plot area before the weed control 17 4.3.4. Graph of weed density in the plot area after the weed control 17
5. Conclusions 18
6. Recommendations 19 6.1. Approaches 19 6.2. Data entry, verification and editing 20 6.3. Recommendations for routine data summaries and statistical analyses to detect change. 21 6.4. Recommended reporting schedule. 21
7. Acknowledgements 23
8. References 23
9. Appendices 26 Appendix 1: Weeds species observed on some of the transect lines at Tuff Crater on 1/05/2010. 26 Appendix 2: Exotic species observed at Tuff Crater on November 2008 and classification under the RPMS 2007-2012 by abundance. 28
Summary
The uniqueness of much of New Zealand’s indigenous biodiversity means that it cannot be conserved in nature elsewhere in the world. A sudden drastic change such as the introduction of alien plants will have a negative effect on natural ecosystems and biodiversity in New Zealand. Non-native invasive plant species are recognized worldwide as a threat to biological diversity, second only to direct habitat
Date: May 2010.
Table of Contents
Summary 3
1. Introduction 4
2. Background 4 2.1. Objectives 4 2.2. Description of the Area 5 2.3. Site Location 8 2.4. Site Plan 9 2.5. Plan of Management Unit 7. 10 2.6. Incorporation of Relevant Statutory and Policy Documents 10
3. Method 12 3.1. Sampling Methods 12 3.1.1. Plot Procedure 12 3.1.2. Photo Point 13 3.2. Controlling Methods 13 3.2.1. Herbicides 13 3.2.2. Manual Weed Control 14
4. Result 14 4.1. Result monitoring 15 4.2. Outcome monitoring 15 4.3. Graphs of the weed monitoring 16 4.3.1. Graph of elaeagnus density in the plot area before the weed control 16 4.3.2. Graph of elaeagnus density in the plot area after the weed control 16 4.3.3. Graph of weed density in the plot area before the weed control 17 4.3.4. Graph of weed density in the plot area after the weed control 17
5. Conclusions 18
6. Recommendations 19 6.1. Approaches 19 6.2. Data entry, verification and editing 20 6.3. Recommendations for routine data summaries and statistical analyses to detect change. 21 6.4. Recommended reporting schedule. 21
7. Acknowledgements 23
8. References 23
9. Appendices 26 Appendix 1: Weeds species observed on some of the transect lines at Tuff Crater on 1/05/2010. 26 Appendix 2: Exotic species observed at Tuff Crater on November 2008 and classification under the RPMS 2007-2012 by abundance. 28
Summary
The uniqueness of much of New Zealand’s indigenous biodiversity means that it cannot be conserved in nature elsewhere in the world. A sudden drastic change such as the introduction of alien plants will have a negative effect on natural ecosystems and biodiversity in New Zealand. Non-native invasive plant species are recognized worldwide as a threat to biological diversity, second only to direct habitat
References: Allen, R.B., & Hurst, J.M. (2007). A Permanent Plot Method for Monitoring Indigenous Forest-Expanded Manual. Version 4. Report for Landcare Research. Auckland Regional Council. (2002). Auckland Regional Pest Management Strategy 2002-2007. Retrieved from http://www.arc.govt.nz/albany/fms/main/Documents/Environment/Plants%20and%20animals/pest%20management%20strategy.pdf Auckland Regional Council. (2006). Regional Pest Strategy 2007–2012 (RPMS). Retrieved from http://www.arc.govt.nz/albany/fms/main/Documents/Environment/Plants%20and%20animals/RPMS/RPMS%20Part%20I%20Introduction%20and%20Background.pdf Australian Government, Biosecurity Australia. (2008). Development of the weed risk assessment system. Retrieved from http://www.daff.gov.au/ba/reviews/weeds/development Denny, A. (2008). Habitat. Tuff Crater – past, present and future. Report for Forest and Bird North Shore. Retrieved from http://www.forestandbird.org.nz/files/publication_attachments/nthshr_habitat_apr_aug08.pdf http://www.dec.wa.gov.au/index.php?option=com_docman&task=doc_download&gid=3920&Itemid=1 Happy, S. (2009) Shadforth, G. (nd). Report for Royal Botanic Gardens, Melbourne. Alien Invaders: Learning about Biodiversity by Monitoring Environmental Weeds. Retrieved from http://www.bgci.org/education/1647/ Telluride Institute, (2007) | | | |(ARC, 2007) | |Cortaderia sp |Species |Common Name |Abundance |RPMS Designation | | | | |(ARC, 2007) |