Indigene versus Alien in the New Zealand Plant World

Biological Invasions and Ecosystem Processes: Towards an Integration of Population Biology and Ecosystem Studies

“…Allan 1936, Egler 1942, Elton 1958, and it appears that many invaders are more successful on more fertile soils (Gerrish andMueller-Dombois 1980, Bridgewater andBackshall 1981). Invasions of all kinds are more often successful on oceanic islands then continents (Elton 1958), and this is Ecosystem Management: Selected Readings true of invasion into parks and preserves as well as disturbed areas (Loope and MuellerDombois, in press).…”

Charles Elton: Neither Founder Nor Siren, but Prophet

“…Further, although he presented a theory of sorts, Egler resembled Elton in buttressing the theory by many natural history examples and did not suggest quantitative tests or criteria for rejection. their impacts were noted and often detailed well before Elton by several workers, notably James M. Drummond (1907) on birds, William Herbert Guthrie -Smith (1921) on many animal and plant species, George M. Thomson ( 1922 ; see description below, and note 5) on the entire gamut of animal and plant introductions, Harry H. Allan ( 1936 ; see description below) on plants, and Kazimierz A. Wodzicki (1950) on mammals.…”

“…Egler ' s key fi rst point is that the most plant invasions in Hawaii are fostered by anthropogenic disturbance, and many would dissipate if human activity ceased. Here he was explicitly following work by Allan (1936) on interactions between introduced and native plants in New Zealand and anticipating the main message of Elton ' s monograph. However, his second point, which he said also follows Allan but which Allan barely addressed, is that one cannot understand the trajectories of particular invasions by drawing a categorical distinction between introduced and native species.…”

Ecosystem Management

“…Allan 1936, Egler 1942, and it appears that many invaders are more successful on more fertile soils (Gerrish andMueller-Dombois 1980, Bridgewater andBackshall 1981). Invasions of all kinds are more often successful on oceanic islands then continents , and this is Ecosystem Management: Selected Readings true of invasion into parks and preserves as well as disturbed areas (Loope and Mueller-Dombois, in press).…”