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Seed Dispersal and Plant Migration
Activity 3.4: Seed Dispersal and Plant Migration Grades 7 – 9 Materials: Description: Per Student • Student handouts for parts, Part 1: Seed Dispersal Predictions: Students will make observations 1, 2, 3, and 4 about different types of seeds, and based on those observations, • Pencils make predictions about how those seeds are dispersed. Per group Part 2: Seed Dispersal Experiment: Students will put their • Calculator (optional) predictions to the test by using a fan, water, and material to see • Tape measure • A set of seeds of different which seeds float, stick to animal fur, or are wind-borne. dispersal types (at least three different seeds per Part 3: How Far Can Seeds Travel? Students will calculate how far group of students). Sets of different dispersal mechanisms are likely to move seeds over a seeds can be ordered from given period of time. Students use average range and migration Carolina Biological Supply Company, item #157970, distance to calculate how far animal-dispersed seeds might travel, Seed Dispersal Set experiment using a fan for wind-dispersed seeds, and consider how (http://www.carolina.com/) far water-dispersed seeds travel using a global map of ocean • One box fan (if you don’t currents. They will also consider the constraints of their have enough fans for each experiments and how those constraints (e.g. using a fan rather than group, you can have student groups rotate to wind) might affect the accuracy of their results. test wind-dispersed seeds) • One bucket of water Part 4: Assisted Migration: Students will consider the implications • One stuffed animal, or other of the ability of plants to migrate in the context of changing fuzzy fabric climates and debate whether or not humans should use assisted- migration techniques to help plants migrate. -
September, 2006 Vol. 12, No. 2 for Newsletter Subscription Information, Submissions, Donations, Or Seed Identification
September, 2006 Vol. 12, No. 2 THE DRIFTING SEED A triannual newsletter covering seeds and fruits dispersed by tropical currents and the people who collect and study them. Distributed to more than 20 countries. Ed Perry, Editor and Publisher Dr. Charles (Bob) Gunn, Advisor Patricia Frazier, Production Editor John Beerensson, Columnist Stephanie Bernstein, Columnist Tim Flynn, Columnist Murray Gregory, Columnist Dr. Charles Nelson, Columnist Carol Sullivan, Columnist Dr. Gerald Sullivan, Columnist Paul Mikkelsen, Web Site Manager for www.seabean.com The 11th Annual International Sea Bean Symposium will be held at the Cocoa Beach Public Library, October 13th-14th, 2006. Details are inside this issue on pages 16-17! Pages 2-5 How Far in America?, E. C. Nelson Pages 11-12 New Zealand, M. Gregory Page 6 The Snake Charmer, S. Bernstein Page 13 Yellow Nickar in Texas, G. Sullivan Pages 7-9 Kauai Beaches, Sullivans/Flynn Pages 14-15 News and Notes Page 10 The Quarter-Pounder, J. Beerensson Pages 16-17 Symposium Schedule and Info For Newsletter Subscription Information, Submissions, Donations, or Seed Identification: contact: Ed Perry P.O. Box 510366 Melbourne Beach, FL 32951—USA E-mail: [email protected] (Paul Mikkelsen) or [email protected] (Ed Perry) How Far North Can Drift Seeds be Found in Eastern North America? by E. Charles Nelson, [email protected] Serendipity is one of the nicest words in the English language. It has remarkable origins being composed from Serendip, a former name of the island of Ceylon (Sri Lanka), and -ity. Horace Walpole formed it after reading a tale about the three princes of Serendip, who “were always making discoveries by accident and sagacity, of things they were not in quest of” – note that the Oxford English dictionary misquoted Walpole.1 Sea-beans and nickar nuts are often found in this way, by accident and sagacity, by serendipity. -
A Global Perspective on the Origins of Agriculture: the Importance of Unconscious Selection
A global perspective on the origins of agriculture: the importance of unconscious selection Thomas Kluyver Department of Animal and Plant Sciences A thesis submitted for the degree of Doctor of Philosophy July 2013 1 Acknowledgements My primary supervisor, Colin Osborne, has provided advice, encouragement and inspiration throughout my PhD. My supervisors in the Department of Archaeology, Glynis Jones and Mike Charles, have patiently helped me to get to grips with a field which I had never studied before this project. Mark Rees’ advice about statistics has also been invaluable. I am grateful to Irene Johnson, for her eminently practical help with growing all kinds of plants, and to Emily Mockford and Chris Bennett, for painstakingly dissecting beet seed capsules to weigh individual seeds. Katherine Haynes and Rebecca Crabtree weighed seed of modern garden vegetables for chapter 3, and that chapter also could not have been written without people and organisations around the world who shared their data with me, including Benoît Pujol (Laboratoire Évolution et Diversité Biologique, France), the Botanical Information Section at RBG Kew, the USDA National Genetic Resources Program, the International Potato Centre (CIP) in Peru, and EMBRAPA in Brazil. Over the last few years, I have enjoyed a warm, friendly and intellectually stimulating environment in Sheffield. It has been a pleasure to work with the people in Colin Osborne’s lab group, as well as the many others who I have got to know. My PhD research was funded by a university studentship from the University of Sheffield, for which I am very thankful. Last but not least, my thanks to my girlfriend and my family, for their support both during my PhD and in the years of education which prepared me to undertake it. -
Index of Topics in Wayne's Word Articles
Indxwayn Ads by Google Wayne County Court Wayne PA Wayne Pennsylvania Wayne Jones Wayne's Word Index Noteworthy Plants Trivia Lemnaceae Biology 101 Botany Search Zoom In With Large, High Res Monitors: For PCs type Control + For Macs type Command + Index Of Topics In Wayne's Word Articles Spiders & Insects Econ. Plant Families Wayne's Bibliography Wildflowers Evolution Fire Arboretum Angiosperms Drift Seeds Lichens Chemistry Amazing Plants Gourds Brodiaea Find On This Page: Type Word Inside Box; Find Again: Scroll Up, Click In Box & Enter [Try Control-F or EDIT + FIND at top of page] Note: This Search Box May Not Work With All Web Browsers A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Alphabetically Arranged Articles and Topics In WAYNE'S WORD: [Also Look Up Plants By Clicking On Economic Plant Families Tab] Click PDF Icon To Read Page In Acrobat Reader. See Text In Arial Font Like In A Book. View Page Off-Line: Right Click On PDF Icon To Save Target File To Your Computer. A Back To Alphabet Table Absinthe: An Herb That May Have Poisoned Vincent van Gogh Acacias: An Enormous Genus Of Trees & Shrubs Acacias & Their Remarkable Symbiotic Ants Cecropia Trees & Their Symbiotic Azteca Ant Colonies Acacias Browsed By Giraffes In South Africa Achiote (Annatto) Dye From Seeds Of Bixa orellana Agar: See Intertidal Red Alga Gelidium, Primary Source Of Agar Air Fern: A Dead Marine Hydrozoan Dyed Green Akee: An Interesting Fruit In The Soapberry Family Alaska Trip: Coastal Cities & Denali National Park Algae: An Outline Of Major Algal Divisions -
Geniune Cialis No Prescription
May, 2006 Vol. 12, No. 1 THE DRIFTING SEED A triannual newsletter covering seeds and fruits dispersed by tropical currents and the people who collect and study them. Distributed to more than 20 countries. Ed Perry, Editor and Publisher Dr. Charles (Bob) Gunn, Advisor Patricia Frazier, Production Editor Mr. John Beerensson, Guest Columnist Dr. Gerhard Cadée, Columnist Dr. Curtis Ebbesmeyer, Columnist Dr. Roger A. Hewitt, Columnist Dr. Jeremy Smith, Columnist Paul Mikkelsen, Web Site Manager for www.seabean.com The 11th Annual International Sea Bean Symposium will be held at the Cocoa Beach Public Library, October 13th-14th, 2006. Pages 2-4— Non-floating Entada, Cadée & Ruijter Pages 14-15—Dutch Star Nut, Cadée & Smit Pages 5-8—Sea-Beans in Hog Heaven, Ebbesmeyer Page 16—The Black Sea Biscuit, J. Beerensson Pages 9-12—Floatation of Cephalopods, R. A. Hewitt Page 17—News and Notes Page 13—More on Seed Dispersal, J. Smith Page 18—Fold-over cover page, sea-bean I.D. For Newsletter Subscription Information, Submissions, Donations, or Seed Identification: contact: Ed Perry P.O. Box 510366 Melbourne Beach, FL 32951—USA E-mail: [email protected] (Paul Mikkelsen) or [email protected] (Ed Perry) Non-floating Entada seeds on the Dutch coast by Gerhard C. Cadée & Rien de Ruijter [email protected], [email protected] Sea hearts, Entada, are probably the best-known and most frequently collected drift seeds from tropical plants (Gunn & Dennis, 1976; Nelson, 2000; Perry & Dennis, 2003). On the 27th of February 2005 Rien de Ruijter was very lucky when he collected two sea hearts on the Dutch North Sea coast. -
Accepted Manuscript
Accepted Manuscript An Australian origin for the candle nut (Aleurites, Crotonoideae, Euphorbiaceae) and the fossil record of the Euphorbiaceae and related families in Australia and New Zealand Andrew C. Rozefelds, Mary E. Dettmann, H. Trevor Clifford, Merrick Ekins PII: S0034-6667(16)30132-4 DOI: doi: 10.1016/j.revpalbo.2017.01.006 Reference: PALBO 3838 To appear in: Review of Palaeobotany and Palynology Received date: 20 July 2016 Revised date: 9 January 2017 Accepted date: 21 January 2017 Please cite this article as: Andrew C. Rozefelds, Mary E. Dettmann, H. Trevor Clifford, Merrick Ekins , An Australian origin for the candle nut (Aleurites, Crotonoideae, Euphorbiaceae) and the fossil record of the Euphorbiaceae and related families in Australia and New Zealand. The address for the corresponding author was captured as affiliation for all authors. Please check if appropriate. Palbo(2017), doi: 10.1016/j.revpalbo.2017.01.006 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. ACCEPTED MANUSCRIPT An Australian origin for the Candle Nut (Aleurites, Crotonoideae, Euphorbiaceae) and the fossil record of the Euphorbiaceae and related families in Australia and New Zealand. Andrew C. Rozefeldsab*, Mary E. Dettmanna, H. Trevor Clifforda, Merrick Ekinsa aQueensland Museum, GPO Box 3300, South Brisbane, Qld, 4101, Australia and bSchool of Earth Sciences, University of Queensland, St Lucia, Qld, 4072, Australia. -
Cheapest Cialis Generic
November 1, 1995 Vol. 1, No. 2 THE DRIFTING SEED A semiannual Newsletter covering seeds and fruits dispersed by tropical currents and the people who collect and study them. Dr. Charles R. (Bob) Gunn & Cathie Katz (Coeditors) Please send us your notes and comments about drift disseminules and/or yourself for use in future issues. Please mail seeds and fruits for identification to Bob Gunn at the address below. From Your Editors The May 1995 The Drifting Seed was mailed on time, and we appreciate your subsequent comments, suggestions, and support. This Newsletter is the result of a fortunate meld of our talents, but its success resides in your hands. We need to fill the following columns and only you can do this: From Your Editors, Feature Articles (mainly about collectors and contributors), News and Notes from Readers, Recent Literature Citations, and Collector’s Gallery and Unknown Disseminules Photographs. We welcome your suggestions for other columns. If possible, please send your articles on either 5¼ or 3½ diskettes using ASCII or WordPerfect for an IBM- compatible computer. We have a caveat: Because of postage charges, the Newsletter cannot exceed ten pages (eight text pages and two photo pages). This will keep the postage for domestic mail to $0.32 per ounce and to $1.00 per ounce for foreign mail. ------------------- Dr. Charles R. (Bob) Gunn 120 White Squirrel Lane Cathie Katz Brevard, NC 28712 US P.O. Box 510366 704-883-9719 Melbourne Beach, Florida 32951 USA From Cathie In The Drifting Seed in May I wrote, “...the two true sea-beans (Mucuna) I just picked up this week will be the last ones I find until the Fall.” That was true except for a few renegade sea hearts (Entada gigas) in May and one sea purse (Dioclea reflexa) in June … but nothing else worth mentioning all summer. -
Botanical Record-Breakers Wayne's Word Index Noteworthy Plants Trivia Lemnaceae Biology 101 Botany Search Botanical Record-Breakers
Botanical Record-Breakers Wayne's Word Index Noteworthy Plants Trivia Lemnaceae Biology 101 Botany Search Botanical Record-Breakers Amazing Trivia About Plants Note: This is an image-laden page that takes a while to load, but the wait is well worth it. Plant & Animal Cells Diversity of Flowering Plants Major Botanical Divisions If you have difficulty loading this page, try the PDF version: Click PDF Icon To Read Page In Acrobat Reader. See Text In Arial Font Like In A Book. View Exam Off-Line: Right Click On PDF Icon To Save Target File To Your Computer. Click Here To Download Latest Acrobat Reader. Follow The Instructions For Your Computer. Table Of Contents: 1. The World's Oldest Living Thing 2. The World's Oldest Living Fossil 3. The World's Most Massive Living Thing 4. The World's Tallest Tree 5. The World's Hardest & Heaviest Wood 6. The World's Smallest Flowering Plant 7. The World's Smallest And Largest Fruit 8. The World's Largest Hitchhiking Fruit 9. The World's Largest Vegetable 10. The World's Smallest And Largest Seed 11. The World's Largest Flying Seed 12. Longest Distance Traveled By Drift Seed 13. World's Fastest Reproducing Plants 14. The World's Fastest Growing Plants 15. The Fastest Trapdoor On A Plant 16. The World's Deadliest Plants 17. Most Painful Botanical Encounters 18. World's Most Valuable Plant Jewels 19. Dislaimer: Authenticity Of Coconut Pearls 20. Most Complex Plant-Insect Relationship 21. The World's Largest Stinking Flowers 22. Plant & Animal Adaptation Hyperlinks file:///C|/wayne/ww0601.htm (1 of 56) [12/19/2003 8:37:28 AM] Botanical Record-Breakers 23. -
Growing Rare Plants: a Practical Handbook on Propagating the Threatened Plants of Southern Africa
GROWINGGROWING RARERARE PLANTSPLANTS a practical handbook on propagating the threatened plants of southern Africa GROWINGGROWING RARERARE PLANTSPLANTS a practical handbook on propagating the threatened plants of southern Africa by Geoff Nichols with contributions by Mike Bingham, Neville Brown, John and Sandie Burrows, Gareth Chittenden, Neil Crouch, Graham Duncan, Trevor Edwards, Mark Gillmer, Anthony Hitchcock, Isabel Johnson, Alex Manana, Gavin Macdonald, Ian Oliver, Koos Roux, Guy Upfold, Ernst van Jaarsveld, Deon Viljoen, and Werner Voigt Southern African Botanical Diversity Network Report No. 36 •2005• Recommended citation format NICHOLS, G. 2005. Growing rare plants: a practical handbook on propagating the threatened plants of southern Africa. Southern African Botanical Diversity Network Report No. 36. SABONET, Pretoria. Citation of special features and quotations JOHNSON, I. & TARR, B. 2005. Gerbera aurantiaca: The Hilton daisy. In G. Nichols, Growing rare plants: a practical hand- book on propagating the threatened plants of southern Africa. Southern African Botanical Diversity Network Report No. 36. SABONET, Pretoria. pp. 78–79. Produced and published by Southern African Botanical Diversity Network (SABONET) c/o South African National Biodiversity Institute, Private Bag X101, 0001, Pretoria and Etwekwini Municipality Parks, Leisure & Cemeteries Department Parks, Recreation & Culture Unit P O Box 3740 Durban 4000 Printed in 2005 in the Republic of South Africa by Capture Press, Pretoria, (27) 12 349-1802 ISBN 1-919976-17-5 © 2005 SABONET. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means without the permission of the copyright holder. Editor-in-chief: Marthina Mössmer Subeditors: Lidia Gibson, Hanlie van Heerden and Alexis Symonds Text design and layout: Suzanne Olivier, Antworks Layout and Design, Pretoria Cover design: Suzanne Olivier, Antworks Layout and Design Front cover: Back cover: Photo credits: All photographs © 2005 Geoff Nichols, except where noted otherwise in captions. -
December, 2011 Vol. 17, No. 3 the DRIFTING SEED
December, 2011 Vol. 17, No. 3 THE DRIFTING SEED A triannual newsletter covering seeds and fruits dispersed by tropical currents and the people who collect and study them. Available on the World Wide Web at www.seabean.com. Ed Perry, Editor and Publisher Dr. Charles (Bob) Gunn, Advisor Dr. Gerhard Cadée, Columnist Liliane and Paul Hosten, Colmnists Margie Mitchell, Columnist Dr. Gerald Sullivan, Columnist Paul Mikkelsen, Web Site Manager for www.seabean.com The 17th Annual International Sea Bean Symposium will be held at the Cocoa Beach Public Library, October 12th and 13th, 2012. Pages 2-4 Symposium Review by Margie Mitchell Pages 10-14 Driftseeds of Molokai, Hawaii by the Hostens Pages 5-7 What a Life! Part 2 by Gerald Sullivan Page 15 Fold-Over Cover Sea-Bean ID Page, Cathie Katz Pages 8-9 Immature Dutch Coconut by G.C. Cadée For Newsletter Submissions, Donations, or Seed Identification: contact: Ed Perry, [email protected] 1770 Mason Terrace, Melbourne, FL 32935, USA Or e-mail: [email protected], or visit: www.seabean.com The Drifting Seed, 17.3, December 2011 Page 1 Sixteenth Annual International Sea-bean Symposium Cocoa Beach, Florida, October 21 and 22, 2011 by Margie Mitchell, [email protected] I had no idea how much I wanted to visit the beaches of Georgia and the Carolinas. No idea, that is, until this year’s symposium’s keynote speaker, Dr. Blair Witherington, took us on a trip up the coast from the Florida border all the way to the Outer Banks of North Carolina. Who knew there were so many fascinating beaches along the way? On Cumberland Island, Georgia, we toughened up our feet on the oyster shell mounds, and encountered wild horses and horseshoe crabs. -
Atoll Research Bulletin - -- - - No
ATOLL RESEARCH BULLETIN - -- - - NO. 393 FLORA OF THE PHOENIX ISLANDS, CENTRAL PACIFIC BY F. RAYMOND FOSBERG AND DAVID R STODDART ISSUED BY NATIONAL MUSEUM OF NATURAL HISTORY s-AN INSTITUTION WASBMGTON, D.C, U.SA FEBRUARY 1994 FLORA OF THE PHOENIX ISLANDS, CENTRAL PACIFIC - - - BY F. RAYMOND FOSBERG' AND DAVID R. STODDART2 ABSTRACT This paper lists the vascular flora of the three atolls (Canton, Gardner, Hull) and five small islands (Birnie, Enderbury, McKean, Phoenix, Sydney) of the Phoenix Group, located in the arid equatorial belt of the Central Pacific, based on extensive collections made in 1973 and 1975 and on previous records and collections. The flora includes 87 species in 36 families. Only 28 of the species (32%) are considered native. A further 60 species have been recorded in the literature, many of them deliberate introductions which have not persisted. These are mentioned but not described. INTRODUCTION The Phoenix Islands lie in the geographic center of the Pacific Ocean, at approximately 170°W longitude and 5's latitude (Figure 1). They comprise eight islands and atolls (Figure 2). Canton, Gardner (Nikumaroro) and Hull (Orona) are atolls; McKean, Birnie, Sydney, Phoenix and Enderbury are smaller islands with residual enclosed lagoons. Locations and areas are as follows: Longitude Latitude Land area Atolls: Canton 17 1°41'W 2'49's 10.9 sq km Gardner 174'3 1'3O"W 4O40'3O"S 6.7 sq km Hull 172'1 1'W 4'3 1'S 4.3 sq km Islands: Birnie 171°31'W 3O35'S 62 ha Enderbury 171°5'15"S 3O7'45"S 745 ha Mc Kean 174O7'3O"S 3O35'45"S 91 ha Phoenix 170°42'45"W 3O43'15"S 94 ha Sydney 171°14'45"W 4O27'15"S 1067 ha Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, D.C. -
Botanical Record-Breakers (Part 2 of 2)
Botanical Record-Breakers (Part 2 of 2) â–º Lil Wayne â–º Song Lyrics â–º Music and Lyrics â–º Album Lyrics Wayne's Word Index Noteworthy Plants Trivia Lemnaceae Biology 101 Botany Scenic Wildflowers Trains Spiders & Insects Search Table Of Botanical Record Breakers Record Breakers Part I Record Breakers Part II Botanical Record-Breakers (Part 2 of 2) Amazing Trivia About Plants Go To Part 1 © W.P. Armstrong (Updated 26 January 2014) Click PDF Icon To Read Page In Acrobat Reader. See Text In Arial Font Like In A Book. View Exam Off-Line: Right Click On PDF Icon To Save Target File To Your Computer. Click Here To Download Latest Acrobat Reader. Follow The Instructions For Your Computer. 12. The World's Largest Flying Seed Flying through the air is another effective adaptation for fruit and seed dispersal by plants. Airborne seeds have several ingenious methods of flying through the air, including whirling like a helicopter, gliding, and floating like miniature parachutes with tufts of fine hairs. Of all the types of "helicopter seeds," those of Gyrocarpus are the most remarkable. [Refresh Page If Whirling Nut Doesn't Start Spinning.] Whirling Nut (Gyrocarpus) Spinning fruits (seeds) from Thailand: A. Diptocarpus alatus (Diptocarpaceae). B. Diptocarpus obtusifolius. C. Gluta (Melanorrhoea) usitata (Anacardiaceae). The latter species is also called the Burmese lacquer tree and is well-known as a source of lacquer. The resin is chemically similar to the Japanese lacquer tree. Like the Japanese lacquer tree and poison oak, the resin canals also contain urushiol, a mixture of toxic phenolic compounds that cause a cell-mediated immune response in some people.