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Nội dung chi tiết: prickly-trade-chihuahuan-desert-cacti

prickly-trade-chihuahuan-desert-cacti

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

prickly-trade-chihuahuan-desert-cactiCactiChristopher s. Robbins, EditorPart I:Chihuahuan Desert Cacti in the United States: An Assessment of Trade.Management, and Conservation Priorities

by Christopher s. RobbinsPart II:Chihuahuan Desert Cacti in Mexico:An Assessment of Trade. Management, and Conservation Prioritiesby Rolando Tenoch Ba prickly-trade-chihuahuan-desert-cacti

rcenas Luna37622TRAFFIC North America World Wildlife Fund 1250 24th Street NW Washington DC 20037Visit www.traftic.org for an electronic edition of th

prickly-trade-chihuahuan-desert-cacti

is report, and for more information about 1 RAI l ie North America.© 2003 WWF. All rights reserved by World Wildlife Fund, Inc.All material appearing

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

prickly-trade-chihuahuan-desert-cactiC North America.The views of the authors expressed in this publication do not necessarily reflect those of the TRAFFIC Network. World Wildlife Fund (W

WF). or IVCN-The World Conservation Union.The designation of geographical entities in this publication and the presentation of the material do not imp prickly-trade-chihuahuan-desert-cacti

ly the expression of any opinion whatsoever on the part of TRAFFIC or its supporting organizations concerning the legal status of any country, territo

prickly-trade-chihuahuan-desert-cacti

ry, or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries.The TRAFFIC symbol copyright and Registered Trademar

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

prickly-trade-chihuahuan-desert-cactiConservation of Chihuahuan Desert Cacti, by Christopher s. Robbins and Rolando Tenoch Barcenas Luna. TRAFFIC North America. Washington D.C.: World Wil

dlife Fund.Cover photos of (top to bottom) Echinocereus strannneus, Ferocactnspilosus, and Echinocactus horizonthalonius. by J. AtchleyPrefaceWorld Wi prickly-trade-chihuahuan-desert-cacti

ldlife Fund (WWF) considers the Chihuahuan Desen Ecoregton (CDE) of Mexico and the United States an important ecoregion for conservation because of it

prickly-trade-chihuahuan-desert-cacti

s outstanding biological diversity, ecological fragility, and environmental concerns. The ecoregion. rich in natural resources, faces a range of visib

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

prickly-trade-chihuahuan-desert-cactipublicized, but significant, threat in the U.S. portion of the ecoregion is the commercial extraction of wild native succulents, including cacti, for

landscaping in private gardens hundreds of miles away. In the Mexican Chihuahuan Desert, some of the world’s rarest cacti are harvested and exported, prickly-trade-chihuahuan-desert-cacti

often illegally, by opportunistic foreign collectors, or sold to unaware tourists by impoverished villagers supplementing paltry incomes.WWF approache

prickly-trade-chihuahuan-desert-cacti

d TRAFFIC North America, the wildlife trade monitoring unit of WWF and the World Conservation Union (IUCN), to investigate the implications of harvest

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

prickly-trade-chihuahuan-desert-cactihe political boundaries of the CDE in the United States (Part I) and Mexico (Part II). TRAFFIC recognizes, however, that the geographic delineation of

the CDE is defined by ecological and biological characteristics shared by both countries, and so it should be treated as one biogeographic region. TR prickly-trade-chihuahuan-desert-cacti

AFFIC’S decision to assess the trade and management of CDE cacti in Mexico separately from the trade and management of CDE cacti in the United States

prickly-trade-chihuahuan-desert-cacti

was determined by practicality and methodology. The disparate issues associated with cactus trade, taxonomy.and management in Mexico and in the United

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

prickly-trade-chihuahuan-desert-cactito the extent possible, the reports have been harmonized to minimize stylistic differences.Commercial trade drives the harvesting of CDE cactus specie

s in Mexico and the United States, but the nature and scale of this trade differ in both countries. Mexico harbors the greatest diversity of endemic, prickly-trade-chihuahuan-desert-cacti

endangered, and newly discovered cactus species. Those species are highly sought after by foreign collectors and continue to appear in the internation

prickly-trade-chihuahuan-desert-cacti

al marketplace in spite of Mexico's laws prohibiting illegal collection. The number of specimens entering trade illegally is believed to be small but

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

prickly-trade-chihuahuan-desert-cactito propagate and sell endemic cacti ill the marketplace. In the United States, the cactus trade involves fewer cactus species but considerably more pl

ant material. The primary markets are southwestern U.S. cities with an and climate where consumers are trying to conserve water by resorting to desert prickly-trade-chihuahuan-desert-cacti

landscaping with plants like cacti instead of water-intensive gardens. Contrary to their best intentions, gardeners and homeowners are addressing one

prickly-trade-chihuahuan-desert-cacti

conservation issue at the expense of another.TRAFFIC North America hopes the findings and conservation priorities detailed in this report will help W

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

prickly-trade-chihuahuan-desert-cactier s. Robbins. EditorPart IChihuahuan Desert Cacti in the United States:

Prickly TradeTrade and Conservation of Chihuahuan Desert CactiChristopher s. Robbins, EditorPrickly TradeTrade and Conservation of Chihuahuan Desert C

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