November 2009 Sale Auction Days Lots

Total Page：16

File Type：pdf, Size：1020Kb

Jurassic Garden November 21-22 Auction Lots (as of 11/17 -- More to be Added) Lot # Species Size Brief Description Regular Opening Price Bid Saturday, November 21, 10:00:00 AM 1 Ceratozamia latifolia 4.25 rare and beautiful cold-tolerant, prefers shade; named for its broad $213 $85 2 Zamia elegantissima var. "Alba" 1.75 white emergent leaves $350 $140 3 Encephalartos aemulans 4.5 Rare, critically endangered plant, hard-to-find species $383 $153 4 Encephalartos gratus "Navene" 3 long-leafed rarer ecotype $150 $60 5 Zamia variegata 1.75 Beautiful leaves $88 $35 6 Encephalartos laurentianus 6 fast-growing longest leaves of African cycads $1,239 $495 Saturday, November 21, 12 Noon 7 Dioon califanoi 2 Keeled-leaf rarity, cold, sun & heat-tolerant $320 $145 8 Encephalartos lehmannii 3 Classic form of cold & heat-tolerant silver plant $210 $105 9 Encephalartos horridus 2.25 Classic blue Eastern Cape S. Africa cycad. $338 $135 10 Encephalartos longifolius 2.75 sun- and heat-tolerant, long arching leaves $138 $65 11 Dioon sonorense Bacanora 3.75 Fine leaflets, silver twisted leaves rare, cold/heat tolerant $938 $459 Saturday, November 21, 2 PM 12 Dioon holmgrenii 2.5 silver fine leaflets, cold & heat & sun tolerant $150 $60 13 Ceratozamia zaragozae 3.25 Ultra rare cold-tolerant plant -- Female $650 $260 14 Encephalartos turneri "Jaiene" Red Seed 2 grey/blue leaves from northern population $250 $100 15 Encephalartos caffer 2 Plumose leafed cold hardy Dwarf $400 $195 16 Encephalartos nubimontanus "Robustus" 4.5 Ultra rare form. Large spiny leaflets $1,800 $810 Saturday, November 21, 4 PM 17 Zamia herrerae 3.5 Chiapas variety, Coning female $140 $56 18 Cycas litoralis 2.5 wide shiny leaflets $188 $85 19 Encephalartos arenarius 6.25 Classic leaf form. Outdoor, sun-grown plant blue-green leaves $536 $259 20 Encephalartos gratus 10.5 massive specimen, strong growth $940 $395 21 Zamia obliqua Coning Plant 1.75 Rare Colombian/Panamanian coning male plant $525 $263 Sunday, November 22, 10 AM 22 Cycas diannanensis 2.5 long graceful leaflets, cold-tolerant $188 $95 23 Zamia ipetiensis 2 Rare Panamanian, limited to 1 populations in habitat. $500 $250 24 Encephalartos msinganus 5.75 Rare, long-leafed plant from Msinga, Kwazulu Natal $522 $209 25 Encephalartos horridus "Steytlerville" 3.75 Seed-grown, rare form $750 $300 26 Encephalartos tegulaneus 6 Ultra-rare long leafed specimen from Kenya $1,239 $495 27 Encephalartos turneri "Jaiene" Yellow Seed 2 grey/blue leaves from northern population $250 $100 Sunday, November 22, 12 Noon 28 Zamia inermis 3 ultra-rare, can handle outdoors well for Zamia $450 $180 29 Encephalartos ituriensis 3 Congolese Ituri Forest giant, fast-growing & rare $375 $150 30 Encephalartos trispinosus Silver Form 2.5 silver leafed form, classic leaflets $250 $125 31 Enceph/Cycas fine leafed set 3 E. laevifolius, E. lanatus, C. debaoensis, approx. 1" ea. $375 $150 32 Encephalartos cupidus "Robustus" 3.75 Giant Cupidus. Long grey leaflets $1,500 $675 Sunday, November 22, 2 PM 33 Zamia herrerae 3.5 Chiapas variety, Coning female $140 $56 34 Zamia imperialis 1.25 red-emergent, ribbed leaflets $188 $95 35 Encephalartos horridus "Dwarf Form" 3.25 Rarest among this species $813 $325 36 Encephalartos lehmannii "Kirkwood" 3 Long-leafed "Kirkwood" form $300 $150 37 Encephalartos arenarius x horridus 7.5 Best features of arenarius and horridus; hybrid vigor $1,088 $495 Sunday, November 22, 4 PM 38 Dioon caputoi 2.25 Fine silver-green leaflets, very rare, cold/heat tolerant $225 $90 39 Dioon merolae "Chiapas" 3 Type specimen, overlapping leaflets cold tolerant $150 $60 40 Encephalartos senticosus x trispinosus 3.75 blue-frosted cross with hybrid vigor $244 $98 41 Encephalartos longifolius "Joubertina Blue" 3.75 Recurved leaves, silver-blue $563 $275 42 Encephalartos natalensis 8 cup-leafed form, broad and less-spiny leaflets $554 $221.

Copy Link

Recommended publications

Systematic Studies on the Mexican Zamiaceae. I
SYSTEMATIC STUDIES ON THE MEXICAN ZAMIACEAE. I. CHROMOSOME NUMBERS AND KARYOTYPESI Instituto Nacional de Investigaciones Sobre Recursos Bi6ticos, Apdo. Postal 63, Xalapa, Veracruz, Mexico Chromosome numbers and karyotypes are reported for seven species in three genera, of Mexican cycads. Karyotypic analysis of Cycads is made difficult by differential contraction, of their large chromosomes but idiograms are presented. Satellite variation is reported for three species of Ceratozamia. No satellites are reported for the three species of Zamia. THECYTOTAXONOMILITC ERATUREon Mexican Francisco Javier Clavijero' (INIREB) at Xal- cycads has been rather sporadic. Sax and Beal apa. Watering the plants a day or two before (1934) reported 2n = 16for Ceratozamia mex- collection gave reasonably good results al- icana Brongn. and 2n = 18 for Dioon spinu- though cell divisions seemed to be variable. losum Dyer. They pointed out that chromo- Two different methods of pretreatment were some number and morphology may differ in tried in order to obtain adequate contraction different genera but the genomes of the species of the large cycad chromosomes. These con- within each genus seem to be similar. Marchant sisted of: 1) 1% aqueous solution of 1 ml ABN (1968) reported chromosome numbers of2n = (alpha-Bromonapthalene) dissolved in 100 ml 16 for C. mexicana, 2n = 18 for D. edule Dyer, of absolute ethanol (Dyer, 1979); 2) 0.05%, and 2n = 16 for Zamia fischeri Miq. He de- 0.1 %, and 0.2% aqueous solutions of colchi- scribed karyotypes and noted that the presence cine. The pretreatment in all cases was carried of telocentrics is apparently correlated with out for 5-6 hr in a refrigerator at ca.
[Show full text]
Zamiaceae) En La Sierra Madre Oriental, México: Un Enfoque Para Su Conservación
UNIVERSIDAD VERACRUZANA CENTRO DE INVESTIGACIONES TROPICALES TAXONOMÍA Y EVOLUCIÓN DE CERATOZAMIA (ZAMIACEAE) EN LA SIERRA MADRE ORIENTAL, MÉXICO: UN ENFOQUE PARA SU CONSERVACIÓN TESIS QUE PARA OBTENER EL GRADO DE MAESTRÍA EN ECOLOGÍA TROPICAL PRESENTA LILÍ MARTÍNEZ DOMÍNGUEZ CO-DIRECCIÓN Dr. FERNANDO NICOLALDE-MOREJÓN Dr. DENNIS WM. STEVENSON Xalapa, Veracruz, México, Marzo 2018 II III A mis padres: Lilí Domínguez Mendiola, Agustín Martínez Casanova y en especial a Rosa Martínez Casanova IV AGRADECIMIENTOS A mis dos hermanos, Guadalupe Hernández Martínez y Agustín Martínez Domínguez. A mi familia. Un agradecimiento especial a Fernando Nicolalde Morejón por ser mi principal sparring intelectual. A los siguientes investigadores por todo su apoyo durante este proyecto: Octavio Rojas Soto, Francisco Vergara Silva, Quiyari J. Santiago Jiménez y en especial a Dennis Wm. Stevenson por su apoyo y, compartir su pasión por las cícadas y la taxonomía. A los sinodales: Francisco Vergara Silva, Citlalli López Binnqüist y Noé Velázquez Rosas por sus comentarios y sugerencias para finalizar esta tesis. A Anette Méndez Durán por su apoyo en el procesamiento técnico del material botánico colectado y su valiosa amistad. A mis amigos: Leonardo Cuevas Reyes por compartir esta historia académica en el herbario; Eduardo de la Garza Pérez, Jesus Cilias Arellano, Maribel Cantoral Castro y Jesica Celaya Tejeda por compartir esta amistad de vida. A Tania Escobar por su apoyo en el trabajo de campo en la Sierra Norte de Puebla y su amistad. A mi amigo Juan Hernández por las ilustraciones botánicas. A CONACyT por la beca de maestría (No. 291047) y el financiamiento de este trabajo de tesis a través del proyecto No.
[Show full text]
Taxonomía Y Florística / Taxonomy and Floristics
Botanical Sciences 98(4): 644-681. 2020 Recibido: 20 de abril de 2020, Aceptado: 23 de junio de 2020 DOI: 10.17129/botsci.2623 Primero en línea: 12 de octubre de 2020 Taxonomía y Florística / Taxonomy and Floristics ESTUDIO FLORÍSTICO DE LA MICROCUENCA DEL CAÑÓN DE LOS CHIVOS, SAN LUIS POTOSÍ, MÉXICO FLORISTIC STUDY OF THE MICROBASIN OF THE LOS CHIVOS CANYON, SAN LUIS POTOSI, MEXICO ID JAIME IVÁN MORALES1,2, ID PEDRO CASTILLO-LARA1, ID RAÚL PUENTE-MARTINEZ3, ID JOSÉ ARTURO DE-NOVA1,2* 1Instituto de Investigación de Zonas Desérticas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, S.L.P., México. 2Facultad de Agronomía y Veterinaria, Universidad Autónoma de San Luis Potosí, Soledad de Graciano Sánchez, S.L.P., México. 3Desert Botanical Garden, Phoenix, AZ, EE.UU. *Autor para la correspondencia: [email protected] Resumen Antecedentes: Los ecosistemas de montaña resguardan una alta biodiversidad. La microcuenca del Cañón de Los Chivos es un eslabón importante para la biodiversidad de la Sierra Madre Oriental y un refugio para los ecosistemas de montaña de la región. Pregunta: ¿Cuál es la composición y riqueza de plantas vasculares de la microcuenca del Cañón de Los Chivos, formas de crecimiento, distribución por tipo de vegetación, endemismo y estado de conservación? Sitio de estudio y fechas: Microcuenca del Cañón de Los Chivos, sierra de Álvarez, San Luis Potosí, México, febrero de 2016 a junio de 2019. Métodos: Se realizaron recolectas botánicas por tipo de vegetación, en un gradiente de 1,437 a 2,702 m snm. Se tomaron datos sobre el hábitat, fenología y forma de crecimiento.
[Show full text]
Mexico's Biocultural Diversity in Peril
SPECIAL ARTICLE Mexico’s Biocultural Diversity in Peril Omar Vidal1* & Richard C. Brusca2 1. Bosque de Granados 141, Col. Bosques de las Lomas, Ciudad de México 11700, México; [email protected] 2. Department of Ecology & Evolutionary Biology, University of Arizona, United States of America; [email protected] * Correspondence Recibido 16-XII-2019. Corregido 26-II-2020. Aceptado 27-III-2020. ABSTRACT. Introduction: Places with high species diversity have high linguistic diversity, whereas areas with low species diversity tend to have low linguistic diversity. Objective: To characterize the intriguing rela- tionship between biological and cultural diversity, a correlation that has been discussed at a global scale, but here tested for the first time in Mexico. Methods: We compiled exhaustive databases on both endangered spe- cies and endangered languages, and reviewed available literature on Mexico’s biocultural diversity with a focus on endangered and critically endangered species and languages. Results: With 364 living languages, Mexico is the world’s fifth most linguistically diverse country, but 64 of these languages are facing a very high risk of disappearance and 13 have already disappeared. Mexico is also the fourth most biologically diverse country, but 1 213 species of its flora and fauna are threatened with extinction and at least 127 species were recently extinct. Conclusions: Indigenous peoples are custodians of much of the world’s biocultural diversity. As the world grows less linguistically and culturally diverse, it is also becoming less biologically diverse. Mexico’s biological and linguistic diversity show strong geographic overlap, with the states of Oaxaca, Chiapas, Veracruz, Guerrero, and Michoacán harboring most species and most languages.
[Show full text]
Desarrollo De Proyectos 2012
Universidad Autónoma de San Luis Potosí Memorias Desarrollo de Proyecto Carrera en Ingeniería Ambiental 2012-2013/I Facultad de Ingeniería Recopilado y Editado por: Dra. Marisol Gallegos García INDICE 1. Aplicaciones a la Ingeniería Ambiental Remoción del colorante naranja remazol encontrado en los efluentes de la industria textil. M. K. Hernández-Campos, Dr. L. A. Bernal-Jácome Remoción de fluoruros en solución acuosa por medio de adsorción sobre alúmina activada modificada por métodos electroquímicos Roberto J. Rossell-Salgado, Nahum A. Medellín-Castillo, Israel Rodríguez Torres Extracción de zinc a partir del reciclado de polvos de horno de arco eléctrico J.A. Gasca Torres, L.E. Morón Vera, M.I. Lázaro Báez Estudio de pre-factibilidad a escala laboratorio para tratamiento de agua por electrodiálisis M.E. Orduña-Alegría, I. Rodríguez-Torres, R. Briones-Gallardo 2. Biotecnología Producción de ácidos grasos a partir de biosólidos provenientes de una planta de tratamiento de aguas residuales. W. G. Niño-Martínez, Dra. A. Martínez-Toledo Fermentación de biosólidos con Saccharomyces cerivisiae para la obtención de biocarburantes O. Anguiano-Hernández, Á. Martínez-Toledo 3. Evaluación Ambiental Niveles de plomo en tanques de almacenamiento de agua en comunidades de Cerro de San Pedro, S.L.P. González-Santamaría, I. Razo-Soto Evaluación de la concentración de Plomo en áreas agrícolas potencialmente impactadas por actividades metalúrgicas históricas D. Pacheco-Carmona, I. Razo-Soto 4. Riesgo Ambiental Efecto de la Vegetación sobre la Temperatura dentro de las Casas de una Colonia de San Luis Potosí G. E. Muñoz-Rostro, J. G. Loza-León, F. Carlín-Castelán Recolección de Banco de Tejido de las Poblaciones de Ceratozamia zaragozae Medellín – Leal en la Sierra de Álvarez A.
[Show full text]
Life History, Population Dynamics and Conservation Status of Oldenburgia Grandis (Asteraceae), an Endemic of the Eastern Cape of South Africa
The conservation, ecology, and distribution of the Critically Endangered Encephalartos latifrons Lehm. A thesis submitted in fulfilment of the requirements for the degree of DOCTOR OF PHILOSOPHY (SCIENCE) of RHODES UNIVERSITY by CARIN SWART Department of Botany March 2019 ABSTRACT Cycads have attracted global attention both as horticulturally interesting and often valuable plants; but also as some of the most threatened organisms on the planet. In this thesis I investigate the conservation management, biology, reproductive ecology and distribution of Encephalartos latifrons populations in the wild and draw out conclusions on how best to conserve global cycad biodiversity. I also employ computer- modelling techniques in some of the chapters of this thesis to demonstrate how to improve conservation outcomes for E. latifrons and endangered species in general, where information on the distribution, biology and habitat requirements of such species are inherently limited, often precluding robust conservation decision-making. In Chapter 1 of this thesis I introduce the concept of extinction debt and elucidate the importance of in situ cycad conservation. I explain how the concept of extinction debt relates to single species, as well as give details on the mechanisms causing extinction debt in cycad populations. I introduce the six extinction trajectory threshold model and how this relates to extinction debt in cycads. I discuss the vulnerability of cycads to extinction and give an overview of biodiversity policy in South Africa. I expand on how national and global policies contribute to cycad conservation and present various global initiatives that support threatened species conservation. I conclude Chapter 1 by explaining how computer-based models can assist conservation decision-making for rare, threatened, and endangered species in the face of uncertainty.
[Show full text]
Conserving North America's Threatened Plants
Conserving North America’s Threatened Plants Progress report on Target 8 of the Global Strategy for Plant Conservation Conserving North America’s Threatened Plants Progress report on Target 8 of the Global Strategy for Plant Conservation By Andrea Kramer, Abby Hird, Kirsty Shaw, Michael Dosmann, and Ray Mims January 2011 Recommended ciTaTion: Kramer, A., A. Hird, K. Shaw, M. Dosmann, and R. Mims. 2011. Conserving North America’s Threatened Plants: Progress report on Target 8 of the Global Strategy for Plant Conservation . BoTanic Gardens ConservaTion InTernaTional U.S. Published by BoTanic Gardens ConservaTion InTernaTional U.S. 1000 Lake Cook Road Glencoe, IL 60022 USA www.bgci.org/usa Design: John Morgan, [email protected] Contents Acknowledgements . .3 Foreword . .4 Executive Summary . .5 Chapter 1. The North American Flora . .6 1.1 North America’s plant diversity . .7 1.2 Threats to North America’s plant diversity . .7 1.3 Conservation status and protection of North America’s plants . .8 1.3.1 Regional conservaTion sTaTus and naTional proTecTion . .9 1.3.2 Global conservaTion sTaTus and proTecTion . .10 1.4 Integrated plant conservation . .11 1.4.1 In situ conservaTion . .11 1.4.2 Ex situ collecTions and conservaTion applicaTions . .12 1.4.3 ParameTers of ex situ collecTions for conservaTion . .16 1.5 Global perspective and work on ex situ conservation . .18 1.5.1 Global STraTegy for PlanT ConservaTion, TargeT 8 . .18 Chapter 2. North American Collections Assessment . .19 2.1 Background . .19 2.2 Methodology . .19 2.2.1 Compiling lisTs of ThreaTened NorTh American Taxa .
[Show full text]
The Botanic Gardens List of Rare and Threatened Species
^ JTERNATIONAL UNION FOR CONSERVATION OF NATURE AND NATURAL RESOURCES JION INTERNATIONALE POUR LA CONSERVATION DE LA NATURE ET DE SES RESSOURCES Conservation Monitoring Centre - Centre de surveillance continue de la conservation de la nature The Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, U.K. BOTANIC GARDENS CONSERVATION CO-ORDINATING BODY THE BOTANIC GARDENS LIST OF RARE AND THREATENED SPECIES COMPILED BY THE THREATENED PLANTS UNIT OF THE lUCN CONSERVATION MONITORING CENTRE AT THE ROYAL BOTANIC GARDENS, KEW FROM INFORMATION RECEIVED FROM MEMBERS OF THE BOTANIC GARDENS CONSERVATION CO-ORDINATING BODY lUCN would like to express its warmest thani<s to all the specialists, technical managers and curators who have contributed information. KEW, August 198^* Tel (011-940 1171 (Threatened Plants Unit), (01)-940 4547 (Protected Areas Data Unit) Telex 296694 lUCN Secretariat: 1196 Gland, Switzerland Tel (22) 647181 Telex 22618 UNION INTERNATIONALE POUR LA CONSERVATION DE LA NATURE ET DE SES RESSOURCES INTERNATIONAL UNION FOR CONSERVATION OF NATURE AND NATURAL RESOURCES Commission du service de sauvegarde - Survival Service Commission Comite des plantes menacees — Threatened Plants Committee c/o Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE BOTANIC GARDENS CONSERVATI6N CO-ORDINATING BODY REPORT NO. 2. THE BOTANIC GARDENS LIST OF MADAGASCAN SUCCULENTS 1980 FIRST DRAFT COMPILED BY THE lUCN THREATENED PLANTS COMMITTEE SECRETARIAT AT THE ROYAL BOTANIC GARDENS, KEW FROM INFORMATION RECEIVED FROM MEMBERS OF THE BOTANIC GARDENS CONSERVATION CO-ORDINATING BODY The TPC would like to express its warmest thanks to all the specialists, technical managers and curators who have contributed information. KEW, October, 1980 lUCN SECRETARIAT; Avenue du Mont-Blanc 1196 Gland -Suisse/Switzerland Telex: 22618 iucn Tel: (022) 64 32 54 Telegrams: lUCNATURE GLAND .
[Show full text]
Zamiaceae, Cycadales) from the European Oligocene and Lower Miocene
Acta Palaeobotanica 54(2): 231–247, 2014 DOI: 10.2478/acpa-2014-0012 New fossil records of Ceratozamia (Zamiaceae, Cycadales) from the European Oligocene and lower Miocene ZLATKO KVAČEK Charles University in Prague, Faculty of Science, Institute of Geology and Palaeontology, Albertov 6, CZ 12843 Praha 2, Czech Republic; e-mail: [email protected] Received 15 July 2014; accepted for publication 12 November 2014 ABSTRACT. New compression leaf material of Ceratozamia (Zamiaceae) has been recognised in the European Cenozoic. A leaflet of Ceratozamia floersheimensis (Engelhardt) Kvaček was recovered among unidentified mate- rial from the Oligocene of Trbovlje, former Trifail, Slovenia, housed in old collections of the Austrian Geological Survey, Vienna. It is similar in morphology and epidermal anatomy to other specimens previously studied from the lower Oligocene of Flörsheim, Germany and Budapest, Hungary. A fragmentary leaflet assigned to C. hof- mannii Ettingsh. was recovered in the uppermost part of the Most Formation (Most Basin in North Bohemia, Czech Republic) and dated by magnetostratigraphy and cyclostratigraphy to CHRON C5Cn.3n, that is, the latest early Miocene. It yielded excellently preserved epidermal structures, permitting confirmation of the generic affin- ity and a more precise comparison with this lower Miocene species previously known from Austria (Münzenberg, Leoben Basin) and re-investigated earlier. Both the Oligocene and Miocene populations of Ceratozamia are based on isolated disarticulated leaflets matching some living representatives in the size and slender form of the leaf- lets. Such ceratozamias thrive today in extratropical areas near the present limits of distribution of the genus along the Sierra Madre Orientale in north-eastern Mexico, in particular C.
[Show full text]
O Attribution — You Must Give Appropriate Credit, Provide a Link to the License, and Indicate If Changes Were Made
COPYRIGHT AND CITATION CONSIDERATIONS FOR THIS THESIS/ DISSERTATION o Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. o NonCommercial — You may not use the material for commercial purposes. o ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original. How to cite this thesis Surname, Initial(s). (2012) Title of the thesis or dissertation. PhD. (Chemistry)/ M.Sc. (Physics)/ M.A. (Philosophy)/M.Com. (Finance) etc. [Unpublished]: University of Johannesburg. Retrieved from: https://ujcontent.uj.ac.za/vital/access/manager/Index?site_name=Research%20Output (Accessed: Date). AN INTEGRATIVE APPROACH TOWARDS SETTING CONSERVATION PRIORITY FOR CYCAD SPECIES AT A GLOBAL SCALE BY RESPINAH TAFIREI Minor dissertation submitted in partial fulfilment of the requirements for the degree of MASTER OF SCIENCE IN ENVIRONMENTAL MANAGEMENT Faculty of Science UNIVERSITY OF JOHANNESBURG August 2016 SUPERVISOR Dr K. Yessoufou CO-SUPERVISOR Dr I.T. Rampedi DEDICATION This work is dedicated to my parents. iii ACKNOWLEDGEMENTS My entire family, mainly my beautiful children; Thabo, Ryan, Chloe, my nephew, Tinashe, as well as my husband: You were there for me throughout this journey. I am deeply appreciative and grateful for the support and rapport I received from my dear husband, Simon. Your patience did not go unnoticed. Thank you from the bottom of my heart. I am also very grateful for the support and scientific guidance I received from Dr.
[Show full text]
Population Structure and Survival of the Critically Endangered Cycad Encephalartos Latifrons in South Africa
Population structure and survival of the critically endangered cycad Encephalartos latifrons in South Africa C. Swarta,*, R. Rowswellb, J. Donaldsonc,d and N. Barkera,e a Department of Botany, P.O. Box 94, Grahamstown, 6140, South Africa b Private Environmental Consultant, P.O. Box 462, Grahamstown, 6140, South Africa c Kirstenbosch Research Centre, South African National Biodiversity Institute, P/Bag X7, Claremont 7735, South Africa d Plant Conservation Unit, Department of Biological Sciences, University of Cape Town, P/Bag X3, Rondebosch 7701, South Africa ePresent Address: Department of Plant and Soil Sciences, University of Pretoria, P/Bag X20, Hatfield 0028, South Africa *Corresponding author. Present Address: Department of Economic Development and Environmental Affairs (DEDEA), P/Bag X1006, Grahamstown, 6140, South Africa. email: [email protected] Highlights • At least one wild Encephalartos latifrons population is capable of natural recruitment. • At least one E. latifrons population is increasing under present environmental conditions. • Plants in the seedling stage experience the highest levels of mortality. • Of the reproductive individuals present in the population, females outnumbered males. • All stages were significantly clustered in their spatial pattern. Abstract This study investigates the population structure and life history traits of the Critically Endangered cycad, Encephalartos latifrons. Populations of E. latifrons have been considered functionally extinct because no natural recruitment has been observed in the wild for almost 30 years. The discovery of a previously undocumented population of E. latifrons has made it possible to build on previous research into the life history and regeneration capabilities of the species. This new population was censused annually over 5 years; between 2013 and 2017.
[Show full text]
Universidad Autónoma Del Estado De Hidalgo
UNIVERSIDAD AUTÓNOMA DEL ESTADO DE HIDALGO INSTITUTO DE CIENCIAS BÁSICAS E INGENIERÍA ÁREA ACADÉMICA DE BIOLOGÍA LICENCIATURA EN BIOLOGÍA TEMA: Variabilidad y estructura genética de Ceratozamia zaragozae Medellín-Leal (Cycadales, Zamiaceae) en San Luis Potosí, México TESIS QUE PARA OBTENER EL TITULO DE LICENCIADA EN BIOLOGÍA PRESENTA: NAISHLA MIROSLAVA GUTIÉRREZ ARROYO DIRECTOR: DR. PABLO OCTAVIO AGUILAR CODIRECTOR: DR. JOSE ARTURO DE NOVA VÁZQUEZ MINERAL DE LA REFORMA, HIDALGO, 2018 DEDICATORIA “Learning about evolution can transform us in a deep way. It shows us our place in the whole splendid and extraordinary panoply of life. It unites us with every living thing on the Earth today and with myriads of creatures long dead. Evolution gives us the true account of our origins, replacing the myths that satisfied us for thousands of years. Some find this deeply frightening, others ineffably thrilling” Jerry A. Coyne. A mis padres, hermanos y a mi sobrino, que son la fuente de mi motivación. 3 AGRADECIMIENTOS -Al Consejo Nacional de Ciencia y Tecnología por los apoyos CB-2014/243454 otorgado al Dr. José Arturo de Nova; e INFR-252807 otorgado al Cuerpo Académico de Ecología de la Universidad Autónoma del Estado de Hidalgo, a cargo del Dr. Fernando Rosas Pacheco. -A la Secretaría de Educación Pública que otorgó los recursos PROMEP/103.5/12/6576 al Dr. José Arturo de Nova y PRODEP/UAEH-PTC-631 al Dr. Pablo Octavio Aguilar. -Al Herbario Isidro Palacios y a los investigadores del Instituto de Investigación en Zonas Desérticas de la Universidad Autónoma de San Luis Potosí, por el apoyo en el trabajo de campo.
[Show full text]