TopicsPlant Developmental Bio
TopicsPlant Developmental Bio BIOL 471
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This 5 page Class Notes was uploaded by Era Schumm on Thursday October 15, 2015. The Class Notes belongs to BIOL 471 at Millersville University of Pennsylvania taught by Staff in Fall. Since its upload, it has received 19 views. For similar materials see /class/223540/biol-471-millersville-university-of-pennsylvania in Biology at Millersville University of Pennsylvania.
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Date Created: 10/15/15
Climatic Envelope Modeling using BIOCLIM through the DIVAGIS interface and a Comparison of the Number of Environmental Variables Used in the Modeling Process tuturial no points assigned 9 mar 2009 A Import and view data 1 Open DIVAGIS 2 Add data layers here shapefiles shp for the following North American administrative boundaries ie countries US states and US counties In the table of contents left side in DIVA rename these layers as above 3 Make a copy copy and paste of the Lycopodiellacsv file you used for the MAXENT procedure 4 Open this file using DATAgtImport points to shapefile Double click on this layer and alter properties take points to size 6 change the color of the points to your liking 5 You have just created a map displaying the distribution of specimens from our herbarium From which states are our specimens From which PA counties are our specimens What is the PA county with the most specimens Comp Methods in Systematics page 1 of 5 Cramp I 7m l 3P c B Model the distribution climatic envelope 1 With the occurrence records layer active and using the menu option m n m openthe You W111 be us1ng the chmate data contalned 1n worldchmjm clmquot Wthh 1s at 5 mln resolutlon use the 10 Paint znvogram Nesdwalnreiasseslevxhp mm resolution Climate model If the 5 mln one 1snotava11ab1e Distrihn nn Modern Input rmmmuyl Dulielsl Histoglaml Enveiop2 Fiedlcl 3 DIVA BI is data m How many degrees does thls m representi How many degrees w1de 1s PA7 Heme duplibale V WM ama cooldlnales I Fm same and eel Therefore to what resoluuon s d 1 houl you be ab e to model the r Dne ass r Manytlasxes actual range of your genus7 2 Select the Predict tab on the far right of this Window to bring up the following Window A lzl rm mm lnvul Heuuencyl nuntml Histagvaml mm Premoxl mum am 0mmquot MM mm MW 325m Readlmmiayev Adm mm was my mesa Wquot m Him dalahawlnulnu leidchm mm lt geographlcal hm1ts of your he c1menr rds However elect vans The default 1s to make a range predlctlon restrlcted to a encompasslng North Amerlca only DO NOT yetpress App y vempilalmn al Eaidesl Euavlel n9 I Apply Si glass Comp Methods 1n Systemaucs page 2 of5 1 m try 7 Com Merlvocs m strsrrma hug MW 3 m the vvmdow betow dear an etrmatre varrabte ltcept for the ame ctrmate varrabte med for MAXENT ee the MAXENT procedure and that procedure Table1 On your totder on the demop Save output grrdme a 5 OCUMrLyrapprearbvarvablegrdquot Chck APPLY You ve mt predrcted the pombte range for thy germ baxed on them chmauc varrabtex nvm ream wheel mm Wave Pvedmtl umpumrwrmem l MM mm Mm 325 MaxX 7 733 MaxV mesa trmeteaeteneselamwu wav dchmj m v r Sameasmpm Fvemvuahan v n J AM it gage Comp Methods m Systemaues page 3 of5 4 Modify the PROPERTIES of this new layer using the following box Remove the rows for NOT SUITABLE LOW and MEDIUM Change the color of all others ie high to excellent to g Click OK You ve just produced a color map of the predicted range showing all areas with higw probability of occurrence in red Label genuswuumameruredichun l Manama cpmglam filesdiveAlnIrclassgenus youmameApleditlmn 1gid Lsuendl Inn History Low oz 5 pelcenl Medlum I2 575 per 4 High 54 percenli Veiy High 1020 p Excell2n IZDVAS DE I Ham 2 Add m Remove Flaw Select color scheme lat r Neo ale 1 armament i one After moving the state and countw boundaw layers on top your map should look something like this AECSK a Edilvalues r Seleel yaw Vevy High nn 2 pi Exeellenl 2 as D Nadala r NaDala Tianwavenl Stone Comp Methods in Systematics page 4 of5 What are some of the states predict for your taxon to occur in that we do not have records for 5 Now with the original genus layer active do steps C1C4 again only this time use ALL CLIMATIC VARIABLES and make the predicted High probability range blue Name this new layer appropriately Is the distribution predicted now larger smaller or about the same area as that the first time around Is this expected Explain 6 Zoom in to PA Make the county boundaries layer visible again Based on the climate predictions made using all climatic variables what counties is your taxon predicted to occur in for which we do not currently have specimens 7 Summary Questions How could this procedure be used to monitor and manage the health of rare species in Pennsylvania Describe some of the limitations of our predicted ranges Think about limitations in the datasets occurrences environmental data we used What is the effect of the number of environmental variables used on the predicted size of the distribution How do you think you might choose which is an appropriate number of variables Comp Methods in Systematics page 5 of 5