Floristic Checklist of the Peruvian Lomas Formations

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Jul 19, 1998 - water use capabilities. They maNe the most ...... Scoparia dulcis L. Veronica persica Poir. .... Lippia nodiflora (L.) Michx. Pitraea cuneato-ovata ...
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Floristic  Checklist  of  the  Peruvian  Lomas  Formations &DWiORJRÀRUtVWLFRGHODVLomas  peruanas Michael  O.  Dillon

Botany  Department,  The  Field  Museum,  1400  South  Lake  Shore  Drive,  Chicago,  IL  60605,  USA.   PGLOORQ#¿HOGPXVHXPRUJ

Segundo  Leiva  González  &  Mario  Zapata  Cruz

Museo  de  Historia  Natural,  Universidad  Privada  Antenor  Orrego,  Casilla  Postal  1075,  Trujillo,  PERÚ.   VHJXQGRBOHLYD#KRWPDLOFRPP]DSDWDF#XSDRHGXSH  

Pedro  Lezama  Asencio

Departamento  Académico  de  Ciencias,  Universidad  Privada  Antenor  Orrego,  Trujillo,  PERU.  SOH]DPDD# JPDLOFRP

Victor  Quipuscoa  Silvestre

Departamento  Académico  de  Biología,  Universidad  Nacional  de  San  Agustín,  Arequipa,  PERU.   YTXLSXVFRDV#KRWPDLOFRP

Abstract $ÀRULVWLFFKHFNOLVWRIWKH3HUXYLDQlomasIRUPDWLRQVLVSUHVHQWHGFRQVLVWLQJRIRQH*QHWRSK\WD J\PQRVSHUP  IDPLOLHVJHQHUDDQGVSHFLHVRI/LOLRSVLGD PRQRFRW\OHGRQV DQGIDPLOLHVJHQHUDDQGVSHFLHVRI 0DJQROLRSVLGD GLFRW\OHGRQV IRUDJUDQGWRWDORIIDPLOLHVJHQHUDDQGVSHFLHV7KHFKHFNOLVWLVEXWDVQDSVKRW RIWKLVÀRUDRXUVRXUFHVRIUHFRUGVLQFOXGHVPDQ\\HDUVRI¿HOGFROOHFWLQJUHFRUGLQJlomasSODQWVKHUEDULDLQ3HUXWKH 8QLWHG6WDWHVDQG(XURSH5HFRUGVDUHVXSSRUWHGZLWKYRXFKHUVRIZKLFKWKHPDMRULW\DUHDFFHVVLEOHYLDDVHDUFKDEOH GDWDEDVHDQGDVVRFLDWHGZLWKGLJLWL]HGKHUEDULXPLPDJHV$EULHIGHVFULSWLRQRIWKH3HUXYLDQlomasIRUPDWLRQVDUHYLHZ RIKLVWRULFDOFROOHFWLQJHIIRUWVDQGDGLVFXVVLRQRIIDFWRUVLQÀXHQFLQJlomasG\QDPLFVDUHSUHVHQWHG/RFDOLW\PDSVDQG DOLVWLQJRIlomasIRUPDWLRQVZLWKDSSUR[LPDWHFRRUGLQDWHVDUHSURYLGHG .H\ZRUGV3HUXFKHFNOLVWlomas  formation.

Resumen 6HSUHVHQWDXQFDWiORJRÀRULVWLFRGHODVlomasFRVWHUDVGHO3HU~TXHFRQVLVWHGHXQD*QHWRSK\WD JLPQRVSHUPD  IDPLOLDVJHQHURV\HVSHFLHVGH/LOLRSVLGD PRQRFRWLOHGRQHDV \IDPLOLDVJHQHURV\HVSHFLHVGH 0DJQROLRSVLGD GLFRWLOHGRQHDV KDFLHQGRXQWRWDOGHIDPLOLDVJHQHURV\HVSHFLHV(OFDWiORJRFRQVWLWX\HXQ FRQVROLGDGRGHODÀRUDORPDOFX\DVIXHQWHVGHUHJLVWURVLQFOX\HQPXFKRVDxRVGHUHFROHFFLRQGHPXHVWUDVHQHOFDPSR DVLFRPRFRQVXOWDVHQKHUEDULRVGH3HU~(VWDGRV8QLGRV\(XURSD/RVUHJLVWURVHVWDQUHVSDOGDGRVSRUFROHFFLRQHVGH KHUEDULRGHODVFXDOHVODPD\RUtDVRQDFFHVLEOHVYLDEDVHVGHGDWRV\DVRFLDGDVFRQLPDJHQHVGHKHUEDULRGLJLWDOL]DGDV 6HSUHVHQWDWDPELHQXQDEUHYHGHVFULSFLRQGHODVLomasSHUXDQDVXQDUHYLVLRQKLVWyULFDGHORVHVIXHU]RVGHUHFROHFFLyQ \XQDGLVFXVLRQGHORVIDFWRUHVTXHLQÀX\HQHQODGLQiPLFDlomal$VLPLVPRVHSURSRUFLRQDQPDSDVGHORFDOLGDGHV\ XQDOLVWDGHIRUPDFLRQHVGHlomasFRQFRRUGHQDGDVDSUR[LPDGDV 3DODEUDVFODYH3HU~FDWiORJRIRUPDFLyQ  lomal.

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DQGODUJHO\UHVWULFWHGWRWKHIRJ]RQHORFDWLRQVRUlomas   IRUPDWLRQV ³VPDOOKLOOV´ 7KHÀRULVWLFFRPPXQLWLHVRI the  lomas  formations  essentially  function  as  terrestrial   LVODQGVVHSDUDWHGE\K\SHDULGKDELWDWZKHUHYLUWXDOO\ QR SODQWV H[LVW ,Q 3HUX QR IHZHU WKDQ  ORFDOLWLHV KDYHEHHQUHFRJQL]HGDVXQLTXHDVVHPEODJHVDOWKRXJK VRPHDUHQRZFRPSOHWHO\GHVWUR\HGGXHWRWKHDFWLRQV 7

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1000 800 600

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Fig.  2.  Diagram  illustrating  interaction  of  fog  and  vegetation  in  the  Lomas  Formations.  (Adapted  from  Rundel  HWDO.  1991)

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Overall  Diversity

Table  1.  Families  represented  within  the  Lomas  Formations  of  Peru  with  high  diversity  at  the  generic  or  species  level.

Families     %URPHOLDFHDH  3RDFHDH  Asteraceae       %RUDJLQDFHDH  %UDVVLFDFHDH  &DFWDFHDH  )DEDFHDH  0DOYDFHDH  6RODQDFHDH  Calceolariaceae     &\SHUDFHDH  $PDUDQWKDFHDH 2[DOLGDFHDH  3LSHUDFHDH  $L]RDFHDH  &RQYROYXODFHDH Santalaceae    

                     

                     

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Dillon  ŽȱŠ•ǯDZȱ•˜›’œ’Œȱ‘ŽŒ”•’œȱ˜ȱ‘ŽȱŽ›žŸ’Š—ȱ˜–Šœȱ˜›–Š’˜—œ

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Dillon  ŽȱŠ•ǯDZȱ•˜›’œ’Œȱ‘ŽŒ”•’œȱ˜ȱ‘ŽȱŽ›žŸ’Š—ȱ˜–Šœȱ˜›–Š’˜—œ

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Dillon  ŽȱŠ•ǯDZȱ•˜›’œ’Œȱ‘ŽŒ”•’œȱ˜ȱ‘ŽȱŽ›žŸ’Š—ȱ˜–Šœȱ˜›–Š’˜—œ

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Dillon  ŽȱŠ•ǯDZȱ•˜›’œ’Œȱ‘ŽŒ”•’œȱ˜ȱ‘ŽȱŽ›žŸ’Š—ȱ˜–Šœȱ˜›–Š’˜—œ

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