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JULY The Victoria AUGUST 1999 NATURALIST VOL 56.1 VICTORIA NATURAL HISTORY SOCIETY OUR V~M The Victoria COVER mm NATURALIST The main article is on the invasive weed gorse that is Contents appearing through out our region. The article explains how Published six times a year by the SUBMISSIONS you can help identify the invasive plant and assist in recording VICTORIA NATURAL HISTORY SOCIETY its presence. The cover photo is taken by Glen Moores. Deadline for next issue: July 23,1999 P.O. Box 5220, Station B, Victoria, B.C. V8R 6N4 Gorse: the Spiny Competitor Is Moving in Contents © 1999 as credited. Send to: Glen Moores, Editor, Editorial ISSN 0049—612X Printed in Canada 9365 Captain's Walk, Sidney, B .C. V8L4G6 By Colleen O'Brien 4 This is the start of the fifty-sixth year of publishing your Publication Mai! Commercial Sales Agreement Number 1273108 Phone: 250-655-3772 Fax: 250-655-1750 magazine. We would like to thank all the contributors and E-MAIL: [email protected] Damsels and Emeralds in the Mountains; Editor: Glen Moores, 655-3772 readers of The Victoria Naturalist over the years and Desktop Publishing: Frances Hunter, Beacon Hill Guidelines for Submissions New Dragonflies for British Columbia encourage your continuing support. This issue of The Victoria Naturalist tries to combine the Communications Group, 479-1956 Members are encouraged lo submit articles, field trip reports, hireling By Syd Cannings and Leah Ramsay 7 Distribution: Lyndis Davis, Tom Gillespie and botany notes, and book reviews with photographs or illustrations if diverse interests in our club from those interested in predator Printing: Fotoprint, 382-8218 possible. Photographs of natural history are appreciated along with docu• birds, insects, saving our wildlife, invasive plants and mentation of location, species names and a date. Please label your sub• Plucked Duck criticism of our governments. The directors of the Victoria Opinions expressed by contributors to The Victoria Naturalist mission with your name, address, and phone number and provide a title. By Tina Kelly 8 Natural History Society encourage our members to express are not necessarily those of the Society. We will accept and use copy in almost any legible form but we encourage their thoughts but do not as a society endorse all members' submission of typed, double-spaced copy or an IBM compatible word opinions on all matters that effect our environment. VICTORIA NATURAL HISTORY SOCIETY processing file on any size diskette, plus printed output. Having copy Our Home and Native Bee We are grateful to all our participants for the articles Honorary Life Members: submitted on diskette saves a lot of time and work for the publications group and we really appreciate the help. If you have an obscure or very By Andrew MacDonald 10 submitted and the efforts done by all our writers, poets, Miss E.K. Lemon, Mrs. L.E. Chambers old word processing program, call the Editor, Glen Moores, at 655-3772, photographers, and illustrators. Articles are needed for the Mrs. Peggy Goodwill, Mr. Vic Goodwill or save the text in ASCII format. Blank diskettes may be obtained from Wildlife Program in Crisis next issue of The Victoria Naturalist. We do encourage Mr. David Stirling the editor and we will return any of your own diskettes submitted. Photos that articles (by email or by disk) with photographs or Officers: 1999-2000 and slides submitted may be picked up al the Field-Naturalist, 1126 By Tom Burgess .. 12 illustrations should be submitted by the third week of July Blanshard Street, or will be returned if a stamped, self-addressed enve• PRESIDENT: Bruce Whittington, 388-4174 for our next issue. lope is included with the material. VICE-PRESIDENT: open HAT Tricks PAST-PRESIDENT: Tom Gillespie, 361-1694 By Bruce Whittington 13 SECRETARY: Maureen Funk, 477-6957 VNHS MEMBERSHIP TREASURER: Gordon Hart, 721-1264 For membership information and renewal, please contact Catherine Fryer, The Dry Tortugas, Florida 479-7927, or write to Membership Committee c/o The Victoria Natural Directors and Committees History Society, Box 5220, Victoria, B.C., VSR 6N4. Catherine Fryer, 479-7927 (Membership) By Keith Taylor 14 Robert Chappell, 388-4696 (F.B.C.N. Representative) John Olafson, 658-8993 (Parks and Conservation) ADVERTISING GUIDELINES Poems Darren Copley, 479-6622 (Programs) We do our best to ensure your ad is produced accurately. Should we By Eileen Curteis and Devon Anderson 15 Marie O'Shaughnessy, 598-9680 (Publicity) make an error, please contact us and a correction can be printed in the Glen Moores, 655-3772 (Publications) next issue. A charge is levied for typesetting. Minor alterations to exist• ing ads cost SI0.00. 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Canada, V8R 6N4 or phone Glen Moores at 250-655-3772 Phone: (250) 385-5512 Thank you for your patronage. 2 The Victoria Naturalist Vol. 56.1 (1999) The Victoria Naturalist Vol. 56.1 (1999) 3 Gorse: the Spiny Competitor Is Moving In It turns out that Ministry of Forest personnel had monitored Point harbours the largest local infestation of gorse with an gorse within their jurisdiction when there was staff in the estimated coverage of 150 hectares. It occurs in areas which, Duncan Forest District to do so (Pat Hayes, pers. comm.) and prior to the early 1950s, were agricultural lands. To my that staff with the CRD Water District had done likewise for amateur, naturalist eye there are several other outbreaks By Colleen O'Brien their lands (Gordon Joyce, pers. comm.). In both cases, gorse which could be called 'infestations' depending on the appears in small isolated patches in disturbed areas, mostly definition used. The largest of these is adjacent to the Sooke along roadsides. Department of National Defence lands are Road corridor between Happy Valley and Gillespie Roads. currently being inventoried by personnel from the Pacific Other infestations occur in the Jordan River area; along Some Background Information Forestry Research Centre (Arthur Robinson, pers. comm.) East Sooke Road between Tideview and Pike Roads; in Gorse (Ulex europaeus) is native to the Mediterranean with the aim of forming a strategy to keep gorse from Metchosin mostly on pasture lands in the west but also as a region of west Europe, has been naturalized in the British spreading on Federal lands. The Conservation Data Centre substantial patch on Neild Road on Mt. Helmcken; in the Isles for centuries and in Australia and New Zealand for over (CDC) has a partial inventory of ecologically-significant gravel deposits at the north end of Langford Lake; the Dallas 150 years. It was first introduced to the west coast of North terrestrial ecosystems remaining in our region, some of Road waterfront in Victoria between Holland and Cattle America prior to 1894 in south coastal Oregon. By 1955 it which include gorse (Jan Kirkby, pers. comm.). Points with a few plants now on the lower south slope of covered an estimated 25,000 acres (10,125 ha.) in south• Any vegetation management specialist will tell you Signal Hill in Beacon Hill Park; and in southeastern Oak Bay western Oregon and was widespread in western Washington that the key to controlling the spread of an invasive species including Walbran, Trafalgar, Anderson Hill and Uplands and northern California. Today it can be found, to varying is: Early identification and early intervention. Within the Parks. It is likely that large patches of gorse occur on indus• extent, in every coastal county between San Diego and the settled lands of the Unincorporated Electoral Areas and trial sites adjacent to Esquimalt Harbour but, without a boat, Olympic Peninsula. municipalities this 'rule' is not being followed. Although this area could not be surveyed adequately. I did, however, Unlike Scotch Broom (Cytisus scoparius) whose many people are familiar with the plant and know of find a vacant lot near the corner of Admirals and Hallowell introduction to B.C. can be attributed to one person in a locations where gorse can be found, I could find no one Roads in View Royal which was totally engulfed.