Options include poisoning (e.g. herbicides, pesticides, piscicides), manual removal (e.g. pulling plants), capturing and killing (e.g. trapping, shooting), and release of additional species that may provide biological control of the invader.
In one direction, a reductionist school is pulling plants apart into a list of measured 'traits', from which ecological function and outcomes of species interactions may be inferred.
By contrast, if people harvested with a sickle and cutting the entire ear, or plucking individual ears, or pulling plants up from the roots, this would tend to disperse shattering seeds and retain all non-shattering mutants.
For stem divisions resulting from pulling plants apart and which have a nice balanced root distribution, plant these divisions at their original level, so that the white basal portions of the stems are just under the ground and you cannot see them.
If it's all over a branch, cut off the branch and throw it away, then wash the branches nearby; if it's all over the plant, pull the plant up and throw it away.
Why do they do this and how can I stop them? A. Though it often seems squirrels pull out plants just to keep themselves amused, they are probably looking for something to eat.
"I got in a lot of trouble," the 21-year-old Singh says with a laugh, recalling how he would mischievously pull good plants out of the field as a prank.
The Sunda rhinoceros does not appear to often use its horn for fighting, but instead uses it to scrape mud away in wallows, to pull down plants for eating, and to open paths through thick vegetation.
Forceful raking can pull fresh plants out of the ground.
