Several factors contribute to the limited population growth, including low genetic diversity, lack of quality habitat, and predation on eggs, goslings and adults by introduced predators.
(Several factors; contribute; to the limited population growth, including low genetic diversity, lack of quality habitat, and predation on eggs, goslings and adults by introduced predators)
Several factors
contribute
to the limited population growth, including low genetic diversity, lack of quality habitat, and predation on eggs, goslings and adults by introduced predators