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Conservation of rare species involves knowing where they are found and how many individuals are in a population. If a species can only survive in certain habitats, then any changes to that habitat can

It is on the brisk days of winter such as these that I long for the summer days I used to spend out in the field collecting data on Colorado rare plants. In my opinion, very few things beat the thrill

What threatens Sclerocactus glaucus? Installation and maintenance of huge pipelines that move oil and gas from the well pads miles and miles to the collection facilities; roads; browsing and trampling