| 释义 |
Definition of keystone species in US English: keystone speciesnoun A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically. Example sentencesExamples - Gary Nabhan discovered ironwood's role as a keystone species in the Sonoran Desert ecosystem.
- These predators are keystone species - of inordinate importance to the whole community.
- The extirpation of beaver - a keystone species - in 1900 was especially devastating to the watershed.
- Krill is the keystone species in the Antarctic food web.
- Crustaceans are keystone species in aquatic ecosystems and our studies should have utility in the monitoring of ecosystem health and in improving fisheries and aquaculture practices.
- The protection of keystone species is seen as a way of ensuring the protection of the majority of other species.
- This palm is considered a keystone species because it supplies fruits for birds and rodents all year and is intensively harvested for culinary purposes.
- The Nile crocodile is the largest semi-aquatic predator and a keystone species that has been heavily exploited by hide hunters and farmers since 1957.
- Helping the cottonwood regain lost ground is going to take some visionary action by caring individuals who comprehend the importance of the cottonwood as a keystone species in the parched western scheme of things.
- As evidence mounts that conserving large keystone species is necessary to maintain the food chain, another factor in their conservation has been apparent for some time.
- Without a source of material from the outside, the marsh beetles - keystone species that regulate food supply to lower-level consumers - have little to work with.
- Meanwhile the keystone species of the entire ecosystem - the humble capelin - has again become the target of a sizeable fishery.
- Detailed studies had been made by ornithologists on important keystone species like Great Pied Hornbill and Malabar Grey Hornbills in the Anamalais.
- Whitebark pines are what silviculturists term a keystone species of upper subalpine ecosystems.
- This is a keystone species that should be reintroduced to Scotland - not just because it is an attractive furry mammal but because it has an important role in recreating the wetlands of which Scotland has a shortage.
- A keystone species in several ecosystems, the grizzly was listed in 1975 as threatened in the lower 48 states.
- Well, you remove a keystone species and the entire ecosystem can collapse.
- Hence, the conservation of a keystone species leads to the preservation of the eco-system.
- There are lot of reptiles that are keystone species.
- Gopher tortoises are considered a keystone species in longleaf habitat.
Definition of keystone species in US English: keystone speciesnoun A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically. Example sentencesExamples - Meanwhile the keystone species of the entire ecosystem - the humble capelin - has again become the target of a sizeable fishery.
- Gopher tortoises are considered a keystone species in longleaf habitat.
- Crustaceans are keystone species in aquatic ecosystems and our studies should have utility in the monitoring of ecosystem health and in improving fisheries and aquaculture practices.
- As evidence mounts that conserving large keystone species is necessary to maintain the food chain, another factor in their conservation has been apparent for some time.
- Krill is the keystone species in the Antarctic food web.
- This palm is considered a keystone species because it supplies fruits for birds and rodents all year and is intensively harvested for culinary purposes.
- The protection of keystone species is seen as a way of ensuring the protection of the majority of other species.
- Hence, the conservation of a keystone species leads to the preservation of the eco-system.
- This is a keystone species that should be reintroduced to Scotland - not just because it is an attractive furry mammal but because it has an important role in recreating the wetlands of which Scotland has a shortage.
- Gary Nabhan discovered ironwood's role as a keystone species in the Sonoran Desert ecosystem.
- These predators are keystone species - of inordinate importance to the whole community.
- Well, you remove a keystone species and the entire ecosystem can collapse.
- Whitebark pines are what silviculturists term a keystone species of upper subalpine ecosystems.
- The extirpation of beaver - a keystone species - in 1900 was especially devastating to the watershed.
- Helping the cottonwood regain lost ground is going to take some visionary action by caring individuals who comprehend the importance of the cottonwood as a keystone species in the parched western scheme of things.
- Without a source of material from the outside, the marsh beetles - keystone species that regulate food supply to lower-level consumers - have little to work with.
- Detailed studies had been made by ornithologists on important keystone species like Great Pied Hornbill and Malabar Grey Hornbills in the Anamalais.
- A keystone species in several ecosystems, the grizzly was listed in 1975 as threatened in the lower 48 states.
- The Nile crocodile is the largest semi-aquatic predator and a keystone species that has been heavily exploited by hide hunters and farmers since 1957.
- There are lot of reptiles that are keystone species.
|