Abstract
멸종위기수생식물 선제비꽃이 증가된 $CO_2$농도와 온도에 생태적으로 어떻게 반응하는지 알아보기 위하여 연구를 실시하였다. 실험은 2007년부터 2012년까지 야외조건인 대조구와 $CO_2$농도 + 온도를 증가시킨 처리구에서 개체생태학적으로 생육반응을 모니터링하였다. 그 결과 지상부 길이, 개체 당 가지 수, 개체 당 열매 수, 열매 당 종자 수, 가지 당 열매 수와 종자무게는 처리구에서 대조구보다 낮았으나, 가지 당 잎 수는 많았고, 꽃대길이, 가지 길이와 개체 당 잎 수는 차이가 없었다. 이러한 결과 $CO_2$농도와 온도가 증가하면 선제비꽃의 가지 수는 줄어들지만 가지에 붙은 잎 수를 늘리는 반응을 하며, 종자생산이 감소하여 번식에 부정적임을 의미한다. 그래서 지구온난화현상은 멸종위기의 주요한 원인 중 하나가 될 것으로 판단된다. The increased $CO_2$ concentration and temperature affect ecological responses of plants. In order to know the effects of global warming on the Viola raddeana Regal, endangered aquatic plant designated by the Ministry of Environment Korea, this study was investigated at control and treatment(increased $CO_2$ concentration + increased temperature) in glasshouse. Then, autecological responses of V. raddeana were monitored and measured. As a result, shoot length, number of fruits per plant, number of branch per plant, number of seeds per fruit, number of fruits per branch, and weight of 10 seeds were higher in control than in treatment. number of leaves per branch was higher in treatment than in control. Length of axis, length of branch and number of leaves per plant were not different between in the control and in the treatment. These results demonstrated that the reproductive response of V. raddeana might be negatively influenced by increased $CO_2$ concentration and temperature. The global warming will be one of the main causes of extinction for V. raddeana Regal.
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Claims 10
Claim · model-written summary
Elevated carbon dioxide and temperature reduced shoot length.
- Taxon
- Viola raddeana Regal
Viola raddeanae1 - Treatment
- increased $CO_2$ concentration + increased temperaturee2
- Outcome
- shoot lengthe0
- Direction
- highere0
- Comparator
- controle0
- Setting
- glasshousee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shoot length, number of fruits per plant, number of branch per plant, number of seeds per fruit, number of fruits per branch, and weight of 10 seeds were higher in control than in treatment.”
e1“Viola raddeana Regal”
e2“treatment(increased $CO_2$ concentration + increased temperature) in glasshouse”
Claim · model-written summary
Elevated carbon dioxide and temperature reduced fruit number per plant.
- Taxon
- Viola raddeana RegalViola raddeanae1
- Treatment
- increased $CO_2$ concentration + increased temperaturee2
- Outcome
- number of fruits per plante0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shoot length, number of fruits per plant, number of branch per plant, number of seeds per fruit, number of fruits per branch, and weight of 10 seeds were higher in control than in treatment.”
e1“Viola raddeana Regal”
e2“treatment(increased $CO_2$ concentration + increased temperature) in glasshouse”
Claim · model-written summary
Elevated carbon dioxide and temperature reduced branch number per plant.
- Taxon
- Viola raddeana RegalViola raddeanae1
- Treatment
- increased $CO_2$ concentration + increased temperaturee2
- Outcome
- number of branch per plante0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shoot length, number of fruits per plant, number of branch per plant, number of seeds per fruit, number of fruits per branch, and weight of 10 seeds were higher in control than in treatment.”
e1“Viola raddeana Regal”
e2“treatment(increased $CO_2$ concentration + increased temperature) in glasshouse”
Claim · model-written summary
Elevated carbon dioxide and temperature reduced seed number per fruit.
- Taxon
- Viola raddeana RegalViola raddeanae1
- Treatment
- increased $CO_2$ concentration + increased temperaturee2
- Outcome
- number of seeds per fruite0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shoot length, number of fruits per plant, number of branch per plant, number of seeds per fruit, number of fruits per branch, and weight of 10 seeds were higher in control than in treatment.”
e1“Viola raddeana Regal”
e2“treatment(increased $CO_2$ concentration + increased temperature) in glasshouse”
Claim · model-written summary
Elevated carbon dioxide and temperature reduced fruit number per branch.
- Taxon
- Viola raddeana RegalViola raddeanae1
- Treatment
- increased $CO_2$ concentration + increased temperaturee2
- Outcome
- number of fruits per branche0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shoot length, number of fruits per plant, number of branch per plant, number of seeds per fruit, number of fruits per branch, and weight of 10 seeds were higher in control than in treatment.”
e1“Viola raddeana Regal”
e2“treatment(increased $CO_2$ concentration + increased temperature) in glasshouse”
Claim · model-written summary
Elevated carbon dioxide and temperature reduced 10-seed weight.
- Taxon
- Viola raddeana RegalViola raddeanae1
- Treatment
- increased $CO_2$ concentration + increased temperaturee2
- Outcome
- weight of 10 seedse0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shoot length, number of fruits per plant, number of branch per plant, number of seeds per fruit, number of fruits per branch, and weight of 10 seeds were higher in control than in treatment.”
e1“Viola raddeana Regal”
e2“treatment(increased $CO_2$ concentration + increased temperature) in glasshouse”
Claim · model-written summary
Leaf number per branch increased under elevated carbon dioxide and temperature.
- Taxon
- Viola raddeana RegalViola raddeanae1
- Treatment
- increased $CO_2$ concentration + increased temperaturee2
- Outcome
- number of leaves per branche0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of leaves per branch was higher in treatment than in control.”
e1“Viola raddeana Regal”
e2“treatment(increased $CO_2$ concentration + increased temperature) in glasshouse”
Claim · model-written summary
Axis length, branch length and leaf number per plant did not differ between treatment and control.
- Taxon
- Viola raddeana RegalViola raddeanae1
- Treatment
- increased $CO_2$ concentration + increased temperaturee2
- Outcome
- Length of axis, length of branch and number of leaves per plante0
- Direction
- not differente0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Length of axis, length of branch and number of leaves per plant were not different between in the control and in the treatment.”
e1“Viola raddeana Regal”
e2“treatment(increased $CO_2$ concentration + increased temperature) in glasshouse”
Claim · model-written summary
The authors infer that elevated carbon dioxide and temperature may harm reproduction.
- Taxon
- V. raddeanaViola raddeanae0
- Outcome
- reproductive responsee0
- Qualifier
- might be negatively influenced by increased $CO_2$ concentration and temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the reproductive response of V. raddeana might be negatively influenced by increased $CO_2$ concentration and temperature.”
Claim · model-written summary
The authors project global warming as a main cause of extinction for this plant.
- Taxon
- V. raddeana RegalViola raddeanae0
- Outcome
- extinctione0
- Qualifier
- global warminge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The global warming will be one of the main causes of extinction for V. raddeana Regal.”