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Austrocedrus Forests of South America Are Pivotal Ecosystems at Risk Due to the Emergence of an Exotic Tree Disease
GSDR 2015 Brief Austrocedrus forests of South America are pivotal ecosystems at risk due to the emergence of an exotic tree disease: can a joint effort of research and policy save them? By Alina Greslebin 1, Maria Laura Vélez 2 and Matteo Garbelotto 3. 1CONICET-Universidad Nacional de la Patagonia SJB, Argentina; 2CONICET-Centro de Investigación y Extensión Forestal Andino Patagónico (CIEFAP), Argentina; 3University of California Berkeley, USA Introduction A. chilensis covers today a total estimated area of Human expansion, global movement, and climate 185,000 ha in South America. As a dominant forest change have led to a number of emerging and re- species, its role in supporting biodiversity, generating emerging diseases. The decline of biodiversity due to shelter for wildlife, as well as preventing soil erosion emerging plants pathogens may cause habitat and and preserving water quality is well understood. Along wildlife loss and declines in ecosystem services. This, in with Araucaria araucana, it is the tree species that turn, often results in lower human well-being. Reports grows furthest into the ecotone zone within the of emerging plant diseases are constantly on the rise, Patagonia steppe, where it plays a key role preventing and often they appear to be linked to the commercial desertification. There are however additional functions trade of plants and plant products. While there are this tree provides, including the production of valuable several examples of decimation or extinction of plant timber and the generation of an environment ideal for hosts affected by invasive forest diseases, there are no cattle grazing, recreational and touristic activities and known cases of invasive forest diseases successfully for human settlement. -
Composition of the Wood Oils of Calocedrus Macrolepis, Calocedrus
American Journal of Essential Oils and Natural Products 2013; 1 (1): 28-33 ISSN XXXXX Composition of the wood oils of Calocedrus AJEONP 2013; 1 (1): 28-33 © 2013 AkiNik Publications macrolepis, Calocedrus rupestris and Received 16-7-2013 Cupressus tonkinensis (Cupressaceae) from Accepted: 20-8-2013 Vietnam Do N. Dai Do N. Dai, Tran D. Thang, Tran H. Thai, Bui V. Thanh, Isiaka A. Ogunwande Faculty of Biology, Vinh University, 182-Le Duan, Vihn City, Nghean ABSTRACT Province, Vietnam. E-mail: [email protected] In the present investigation we studied the essential oil contents and compositions of three individual plants from Cupressaceae family cultivated in Vietnam. The air-dried plants were hydrodistilled and Tran D. Thang the oils analysed by GC and GC-MS. The components were identified by MS libraries and their RIs. Faculty of Biology, Vinh University, The wood essential oil of Calocedrus rupestris Aver, H.T. Nguyen et L.K. Phan., afforded oil whose 182-Le Duan, Vihn City, Nghean major compounds were sesquiterpenes represented mainly by α-cedrol (31.1%) and thujopsene Province, Vietnam. E-mail: [email protected] (15.2%). In contrast, monoterpene compounds mainly α-terpineol (11.6%) and myrtenal (10.6%) occurred in Calocedrus macrolepis Kurz. The wood of Cupressus tonkinensis Silba afforded oil Tran H. Thai whose major compounds were also the monoterpenes namely sabinene (22.3%), -pinene (15.2%) Institute of Ecology and Biological and terpinen-4-ol (15.5%). The chemotaxonomic implication of the present results was also Resources, Vietnam Academy of discussed. Science and Technology, 18-Hoang Quoc Viet, Cau Giay, Hanoi, Keywords: Calocedrus macrolepis; Calocedrus rupestris; α-cedrol; Cupressus tonkinensis; Essential oil Vietnam. -
Spatial Distribution and Historical Dynamics of Threatened Conifers of the Dalat Plateau, Vietnam
SPATIAL DISTRIBUTION AND HISTORICAL DYNAMICS OF THREATENED CONIFERS OF THE DALAT PLATEAU, VIETNAM A thesis Presented to The Faculty of the Graduate School At the University of Missouri In Partial Fulfillment Of the Requirements for the Degree Master of Arts By TRANG THI THU TRAN Dr. C. Mark Cowell, Thesis Supervisor MAY 2011 The undersigned, appointed by the dean of the Graduate School, have examined the thesis entitled SPATIAL DISTRIBUTION AND HISTORICAL DYNAMICS OF THREATENED CONIFERS OF THE DALAT PLATEAU, VIETNAM Presented by Trang Thi Thu Tran A candidate for the degree of Master of Arts of Geography And hereby certify that, in their opinion, it is worthy of acceptance. Professor C. Mark Cowell Professor Cuizhen (Susan) Wang Professor Mark Morgan ACKNOWLEDGEMENTS This research project would not have been possible without the support of many people. The author wishes to express gratitude to her supervisor, Prof. Dr. Mark Cowell who was abundantly helpful and offered invaluable assistance, support, and guidance. My heartfelt thanks also go to the members of supervisory committees, Assoc. Prof. Dr. Cuizhen (Susan) Wang and Prof. Mark Morgan without their knowledge and assistance this study would not have been successful. I also wish to thank the staff of the Vietnam Initiatives Group, particularly to Prof. Joseph Hobbs, Prof. Jerry Nelson, and Sang S. Kim for their encouragement and support through the duration of my studies. I also extend thanks to the Conservation Leadership Programme (aka BP Conservation Programme) and Rufford Small Grands for their financial support for the field work. Deepest gratitude is also due to Sub-Institute of Ecology Resources and Environmental Studies (SIERES) of the Institute of Tropical Biology (ITB) Vietnam, particularly to Prof. -
Monitoring the Emission of Volatile Organic Compounds from the Leaves of Calocedrus Macrolepis Var
J Wood Sci (2010) 56:140–147 © The Japan Wood Research Society 2009 DOI 10.1007/s10086-009-1071-z ORIGINAL ARTICLE Ying-Ju Chen · Sen-Sung Cheng · Shang-Tzen Chang Monitoring the emission of volatile organic compounds from the leaves of Calocedrus macrolepis var. formosana using solid-phase micro-extraction Received: June 10, 2009 / Accepted: August 17, 2009 / Published online: November 25, 2009 Abstract In this study, solid-phase micro-extraction through secondary metabolism in the process of growth and (SPME) fi bers coated with polydimethylsiloxane/divinyl- development. The terpenes derived from isoprenoids con- benzene (PDMS/DVB), coupled with gas chromatography/ stitute the largest class of secondary products, and they are mass spectrometry, were used to monitor the emission pat- also the most important precursors for phytoncides in forest terns of biogenic volatile organic compounds (BVOCs) materials. Phytoncides are volatile organic compounds from leaves of Calocedrus macrolepis var. formosana Florin. released by plants, and they resist and break up hazardous in situ. In both sunny and rainy weather, the circadian substances in the air. Scientists have confi rmed that phyt- profi le for BVOCs from C. macrolepis var. formosana oncides can reduce dust and bacteria in the air, and expo- leaves has three maximum emission cycles each day. This sure to essential oils from trees has also been reported to kind of emission pattern might result from the plant’s cir- lessen anxiety and depression, resulting in improved blood cadian clock, which determines the rhythm of terpenoid circulation and blood pressure reduction in humans and emission. Furthermore, emission results from the leaves animals.1 However, the chemical compositions of phyton- demonstrated that the circadian profi le of α-pinene observed cides emitted from various trees are very different and not was opposite to the profi les of limonene and myrcene, a yet clearly identifi ed. -
Contributions to the Life-History of Tetraclinis Articu- Lata, Masters, with Some Notes on the Phylogeny of the Cupressoideae and Callitroideae
Contributions to the Life-history of Tetraclinis articu- lata, Masters, with some Notes on the Phylogeny of the Cupressoideae and Callitroideae. BY W. T. SAXTON, M.A., F.L.S., Professor of Botany at the Ahmedabad Institute of Science, India. With Plates XLIV-XLVI and nine Figures in the Text. INTRODUCTION. HE Gum Sandarach tree of Morocco and Algeria has been well known T to botanists from very early times. Some account of it is given by Hooker and Ball (20), who speak of the beauty and durability of the wood, and state that they consider the tree to be probably correctly identified with the Bvlov of the Odyssey (v. 60),1 and with the Ovlov and Ovia of Theo- phrastus (' Hist. PI.' v. 3, 7)/ as well as, undoubtedly, with the Citrus wood of the Romans. The largest trees met with by them, growing in an un- cultivated state, were about 30 feet high. The resin, known as sandarach, is stated to be collected by the Moors and exported to Europe, where it is used as a varnish. They quote Shaw (49 a and b) as having described and figured the tree under the name of Thuja articulata, in his ' Travels in Barbary'; this statement, however, is not accurate. In both editions of the work cited the plant is figured and described as ' Cupressus fructu quadri- valvi, foliis Equiseti instar articulatis '. Some interesting particulars of the use of the timber are given by Hansen (19), who also implies that the embryo has from three to six cotyledons. Both Hooker and Ball, and Hansen, followed by almost all others who have studied the plant, speak of it as Callitris qtiadrivalvis. -
Extinction, Transoceanic Dispersal, Adaptation and Rediversification
Turnover of southern cypresses in the post-Gondwanan world: Title extinction, transoceanic dispersal, adaptation and rediversification Crisp, Michael D.; Cook, Lyn G.; Bowman, David M. J. S.; Author(s) Cosgrove, Meredith; Isagi, Yuji; Sakaguchi, Shota Citation The New phytologist (2019), 221(4): 2308-2319 Issue Date 2019-03 URL http://hdl.handle.net/2433/244041 © 2018 The Authors. New Phytologist © 2018 New Phytologist Trust; This is an open access article under the terms Right of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. Type Journal Article Textversion publisher Kyoto University Research Turnover of southern cypresses in the post-Gondwanan world: extinction, transoceanic dispersal, adaptation and rediversification Michael D. Crisp1 , Lyn G. Cook2 , David M. J. S. Bowman3 , Meredith Cosgrove1, Yuji Isagi4 and Shota Sakaguchi5 1Research School of Biology, The Australian National University, RN Robertson Building, 46 Sullivans Creek Road, Acton (Canberra), ACT 2601, Australia; 2School of Biological Sciences, The University of Queensland, Brisbane, Qld 4072, Australia; 3School of Natural Sciences, The University of Tasmania, Private Bag 55, Hobart, Tas 7001, Australia; 4Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan; 5Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan Summary Author for correspondence: Cupressaceae subfamily Callitroideae has been an important exemplar for vicariance bio- Michael D. Crisp geography, but its history is more than just disjunctions resulting from continental drift. We Tel: +61 2 6125 2882 combine fossil and molecular data to better assess its extinction and, sometimes, rediversifica- Email: [email protected] tion after past global change. -
Seiridium Canker of Cypress Trees in Arizona Jeff Schalau
ARIZONA COOPERATIVE E TENSION AZ1557 January 2012 Seiridium Canker of Cypress Trees in Arizona Jeff Schalau Introduction Leyland cypress (x Cupressocyparis leylandii) is a fast- growing evergreen that has been widely planted as a landscape specimen and along boundaries to create windbreaks or privacy screening in Arizona. The presence of Seiridium canker was confirmed in Prescott, Arizona in July 2011 and it is suspected that the disease occurs in other areas of the state. Seiridium canker was first identified in California’s San Joaquin Valley in 1928. Today, it can be found in Europe, Asia, New Zealand, Australia, South America and Africa on plants in the cypress family (Cupressaceae). Leyland cypress, Monterey cypress, (Cupressus macrocarpa) and Italian cypress (C. sempervirens) are highly susceptible and can be severely impacted by this disease. Since Leyland and Italian cypress have been widely planted in Arizona, it is imperative that Seiridium canker management strategies be applied and suitable resistant tree species be recommended for planting in the future. The Pathogen Seiridium canker is known to be caused by three different fungal species: Seiridium cardinale, S. cupressi and S. unicorne. S. cardinale is the most damaging of the three species and is SCHALAU found in California. S. unicorne and S. cupressi are found in the southeastern United States where the primary host is JEFF Leyland cypress. All three species produce asexual fruiting Figure 1. Leyland cypress tree with dead branch (upper left) and main leader bodies (acervuli) in cankers. The acervuli produce spores caused by Seiridium canker. (conidia) which spread by water, human activity (pruning and transport of infected plant material), and potentially insects, birds and animals to neighboring trees where new Symptoms and Signs infections can occur. -
Non-Wood Forest Products from Conifers
Page 1 of 8 NON -WOOD FOREST PRODUCTS 12 Non-Wood Forest Products From Conifers FAO - Food and Agriculture Organization of the United Nations The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. M-37 ISBN 92-5-104212-8 (c) FAO 1995 TABLE OF CONTENTS FOREWORD ACKNOWLEDGMENTS ABBREVIATIONS INTRODUCTION CHAPTER 1 - AN OVERVIEW OF THE CONIFERS WHAT ARE CONIFERS? DISTRIBUTION AND ABUNDANCE USES CHAPTER 2 - CONIFERS IN HUMAN CULTURE FOLKLORE AND MYTHOLOGY RELIGION POLITICAL SYMBOLS ART CHAPTER 3 - WHOLE TREES LANDSCAPE AND ORNAMENTAL TREES Page 2 of 8 Historical aspects Benefits Species Uses Foliage effect Specimen and character trees Shelter, screening and backcloth plantings Hedges CHRISTMAS TREES Historical aspects Species Abies spp Picea spp Pinus spp Pseudotsuga menziesii Other species Production and trade BONSAI Historical aspects Bonsai as an art form Bonsai cultivation Species Current status TOPIARY CONIFERS AS HOUSE PLANTS CHAPTER 4 - FOLIAGE EVERGREEN BOUGHS Uses Species Harvesting, management and trade PINE NEEDLES Mulch Decorative baskets OTHER USES OF CONIFER FOLIAGE CHAPTER 5 - BARK AND ROOTS TRADITIONAL USES Inner bark as food Medicinal uses Natural dyes Other uses TAXOL Description and uses Harvesting methods Alternative -
Callitris Forests and Woodlands
NVIS Fact sheet MVG 7 – Callitris forests and woodlands Australia’s native vegetation is a rich and fundamental Overview element of our natural heritage. It binds and nourishes our ancient soils; shelters and sustains wildlife, protects Typically, vegetation areas classified under MVG 7 – streams, wetlands, estuaries, and coastlines; and absorbs Callitris forests and woodlands: carbon dioxide while emitting oxygen. The National • comprise pure stands of Callitris that are restricted and Vegetation Information System (NVIS) has been developed generally occur in the semi-arid regions of Australia and maintained by all Australian governments to provide • in most cases Callitris species are a co-dominant a national picture that captures and explains the broad or occasional species in other vegetation groups, diversity of our native vegetation. particularly eucalypt woodlands and forests in temperate This is part of a series of fact sheets which the Australian semi-arid and sub-humid climates. After disturbance, Government developed based on NVIS Version 4.2 data to Callitris may regenerate in high densities and become provide detailed descriptions of the major vegetation groups a dominant member of a mixed canopy layer. Some of (MVGs) and other MVG types. The series is comprised of these modified communities are mapped asCallitris a fact sheet for each of the 25 MVGs to inform their use by forests or woodlands planners and policy makers. An additional eight MVGs are • are generally dominated by a herbaceous understorey available outlining other MVG types. with only a few shrubs • in New South Wales Callitris has been an important For more information on these fact sheets, including forestry timber and large monocultures have been its limitations and caveats related to its use, please see: encouraged for this purpose ‘Introduction to the Major Vegetation Group (MVG) fact sheets’. -
Cupressaceae Calocedrus Decurrens Incense Cedar
Cupressaceae Calocedrus decurrens incense cedar Sight ID characteristics • scale leaves lustrous, decurrent, much longer than wide • laterals nearly enclosing facials • seed cone with 3 pairs of scale/bract and one central 11 NOTES AND SKETCHES 12 Cupressaceae Chamaecyparis lawsoniana Port Orford cedar Sight ID characteristics • scale leaves with glaucous bloom • tips of laterals on older stems diverging from branch (not always too obvious) • prominent white “x” pattern on underside of branchlets • globose seed cones with 6-8 peltate cone scales – no boss on apophysis 13 NOTES AND SKETCHES 14 Cupressaceae Chamaecyparis thyoides Atlantic white cedar Sight ID characteristics • branchlets slender, irregularly arranged (not in flattened sprays). • scale leaves blue-green with white margins, glandular on back • laterals with pointed, spreading tips, facials closely appressed • bark fibrous, ash-gray • globose seed cones 1/4, 4-5 scales, apophysis armed with central boss, blue/purple and glaucous when young, maturing in fall to red-brown 15 NOTES AND SKETCHES 16 Cupressaceae Callitropsis nootkatensis Alaska yellow cedar Sight ID characteristics • branchlets very droopy • scale leaves more or less glabrous – little glaucescence • globose seed cones with 6-8 peltate cone scales – prominent boss on apophysis • tips of laterals tightly appressed to stem (mostly) – even on older foliage (not always the best character!) 15 NOTES AND SKETCHES 16 Cupressaceae Taxodium distichum bald cypress Sight ID characteristics • buttressed trunks and knees • leaves -
Guideline 410 Prohibited Plant List
VENTURA COUNTY FIRE PROTECTION DISTRICT FIRE PREVENTION BUREAU 165 DURLEY AVENUE CAMARILLO, CA 93010 www.vcfd.org Office: 805-389-9738 Fax: 805-388-4356 GUIDELINE 410 PROHIBITED PLANT LIST This list was first published by the VCFD in 2014. It has been updated as of April 2019. It is intended to provide a list of plants and trees that are not allowed within a new required defensible space (DS) or fuel modification zone (FMZ). It is highly recommended that these plants and trees be thinned and or removed from existing DS and FMZs. In certain instances, the Fire Department may require the thinning and or removal. This list was prepared by Hunt Research Corporation and Dudek & Associates, and reviewed by Scott Franklin Consulting Co, VCFD has added some plants and has removed plants only listed due to freezing hazard. Please see notes after the list of plants. For questions regarding this list, please contact the Fire Hazard reduction Program (FHRP) Unit at 085-389-9759 or [email protected] Prohibited plant list:Botanical Name Common Name Comment* Trees Abies species Fir F Acacia species (numerous) Acacia F, I Agonis juniperina Juniper Myrtle F Araucaria species (A. heterophylla, A. Araucaria (Norfolk Island Pine, Monkey F araucana, A. bidwillii) Puzzle Tree, Bunya Bunya) Callistemon species (C. citrinus, C. rosea, C. Bottlebrush (Lemon, Rose, Weeping) F viminalis) Calocedrus decurrens Incense Cedar F Casuarina cunninghamiana River She-Oak F Cedrus species (C. atlantica, C. deodara) Cedar (Atlas, Deodar) F Chamaecyparis species (numerous) False Cypress F Cinnamomum camphora Camphor F Cryptomeria japonica Japanese Cryptomeria F Cupressocyparis leylandii Leyland Cypress F Cupressus species (C. -
Morphology and Morphogenesis of the Seed Cones of the Cupressaceae - Part II Cupressoideae
1 2 Bull. CCP 4 (2): 51-78. (10.2015) A. Jagel & V.M. Dörken Morphology and morphogenesis of the seed cones of the Cupressaceae - part II Cupressoideae Summary The cone morphology of the Cupressoideae genera Calocedrus, Thuja, Thujopsis, Chamaecyparis, Fokienia, Platycladus, Microbiota, Tetraclinis, Cupressus and Juniperus are presented in young stages, at pollination time as well as at maturity. Typical cone diagrams were drawn for each genus. In contrast to the taxodiaceous Cupressaceae, in Cupressoideae outgrowths of the seed-scale do not exist; the seed scale is completely reduced to the ovules, inserted in the axil of the cone scale. The cone scale represents the bract scale and is not a bract- /seed scale complex as is often postulated. Especially within the strongly derived groups of the Cupressoideae an increased number of ovules and the appearance of more than one row of ovules occurs. The ovules in a row develop centripetally. Each row represents one of ascending accessory shoots. Within a cone the ovules develop from proximal to distal. Within the Cupressoideae a distinct tendency can be observed shifting the fertile zone in distal parts of the cone by reducing sterile elements. In some of the most derived taxa the ovules are no longer (only) inserted axillary, but (additionally) terminal at the end of the cone axis or they alternate to the terminal cone scales (Microbiota, Tetraclinis, Juniperus). Such non-axillary ovules could be regarded as derived from axillary ones (Microbiota) or they develop directly from the apical meristem and represent elements of a terminal short-shoot (Tetraclinis, Juniperus).