sept16 - -when you kill sand sagebrush tall grass prairies...

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Sept. 16 th : Almost every plant we’ve covered grows in West East Great Plains -Broom snakeweed: common in Southern Great Plains, Estern New Mexico; broom snakeweed will be abundant in an area then abruptly stop growing where heavy clay soils are present -Tobosagrass and Buffalograss characterize heavy clay soil areas -Sand shinnery Oak-grows in sandy soils; distribution map of sandy soil & sand shinnery oak looks the same -shinnery oak and honey mesquite grown in sand dunes -Sand shinnery oak & post oak cross with each other and their offspring are taller than sand shinnery oak -ecological associates: sand shinnery oak & sand sagebrush are found in same area and indicate sandy soils -when you have clay relatively close to the surface sand shinnery oak plants look spaced out not bunched close together -connected underground through large root system -when leaves start coming out of bud in spring they have an organic acid that is very toxic to animals
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Unformatted text preview: -when you kill sand sagebrush tall grass prairies will move in for a few growing seasons -skunkbush sumac: sandy soils, tends to like older sands, strong sprouter-Redberry & Ashe juniper: Redberry grows more in west Texas and panhandle while Ashe juniper grows more in central Texas and Arkansas but they do over-lap -nurse plant syndrome: between Redberry juniper and honey mesquite; juniper takes over the mesquite and kills it; when it rains there is a lot of stem flow down the mesquite, water is funneled down to the base; mesquites are also high in nitrogen so it is a well watered fertile place for other plants to grow at the bottom of a mesquite; birds stop on tree and drop Redberry seeds in their poop. -ashe juniper is less shrubby than Redberrylooks more like a tree & does not have a basil bud zone it is a non-sprouter other non-sprouters: broom snakeweed Oaks: sand shinnery (little) blackjack & post (big)...
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This note was uploaded on 11/14/2010 for the course NRM 3501 taught by Professor Wester during the Fall '09 term at Texas Tech.

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