Cyanobacteria was just lucky. Give the deer a change and it would put everything out of this planet including themselves.
Luckily for us, this stupid animal can only flourish under very limited conditions.
This is an excellent example: "the residents of Long Island on Lake Winnipesaukee wanted to eliminate hunting deer so they could enjoy these beautiful animals. A few years later, the deer had eaten all the wild shrubs and trees, and began invading the homeowners' property on the island to sample the flowers and shrubs of the residents.". [0]*
* remind you, I am not advocating of killing off all the deer because how else will the big predators get enough of food and how else we can get all the tasty deer meat sausages.
I think that people from Deer Friendly intentionally manipulate with the data visualization. They smooth the graph elsewhere and only show the population plummeting when it satisfies their agenda.
For example the graph here about NY looks more honest [0].
Also I am not fully convinced about their argument related to the sampling methods. [0] seems to be again more honest in this case.
Also they do not mention increasing numbers of feral hogs that hunt the deer fawn as a predatory balancing factor to the possible cause of deer number decline.
This still does not mean that deer do not cause damage to the other species and biodiversity and that they do not increase their numbers over the resource exhaustion which were the the main claims of [1].
Anyway, the deer example was a counter example to the claim that "all species self-regulate".
Even more generally, in their niche they are a fine example of "trying to exploit in an entire ecosystem for the benefit of a single species". They do not live in harmony with diverse range of other species in their habitat.
Luckily for us, this stupid animal can only flourish under very limited conditions.
This is an excellent example: "the residents of Long Island on Lake Winnipesaukee wanted to eliminate hunting deer so they could enjoy these beautiful animals. A few years later, the deer had eaten all the wild shrubs and trees, and began invading the homeowners' property on the island to sample the flowers and shrubs of the residents.". [0]*
[0] http://www.seacoastonline.com/article/20140407/SPORTS/404070...
* remind you, I am not advocating of killing off all the deer because how else will the big predators get enough of food and how else we can get all the tasty deer meat sausages.