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Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica最新文献

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The distribution of the hedgehog (Erinaceus europaeus L.) in Finland in 1975. 1975年芬兰刺猬(Erinaceus europaeus L.)的分布。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1977-01-01
R Kristoffersson, A Soivio, J Terhivuo
{"title":"The distribution of the hedgehog (Erinaceus europaeus L.) in Finland in 1975.","authors":"R Kristoffersson,&nbsp;A Soivio,&nbsp;J Terhivuo","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The distribution of the hedgehog (Erinaceus europaeus L.) in Finland was surveyed in the light of an inquiry. The range presented is based on more than one thousand answers to a questionnaire. The extension further northward of this species during the past ten years was confirmed. The distributional areas of the hedgehog in Finland in 1952, 1965 and 1975 are presented in a cartogram. In southern Finland the number of the hedgehog has clearly decreased during the past ten years (1965-1975). Some possible reasons for the decline are discussed.</p>","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":" 209","pages":"6"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12084146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Migration, extinction, and alary morphism in water-striders (Gerris Fabr.) 水黾的迁徙、灭绝和变异(格里斯·法布尔)
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1976-01-01
O Järvinen
{"title":"Migration, extinction, and alary morphism in water-striders (Gerris Fabr.)","authors":"O Järvinen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A migration-extinction model has been developed for the analysis of alary polymorphism and its adaptive significance in univoltine populations of water-striders (Gerris). It is assumed that all actual and potential population sites are identical with respect to all relevant variables, i.e. that populations do not live in a 'harlequin' environment. The model can be applied to other groups with alary polymorphism. The effects of isolation, environmental stability, and environmental productivity are discussed, with numerical examples. Isolation and stability enhance the optimality of short-wingedness, while temporariness of population sites selects for long-wingedness. Optima cannot always be realized. The models reveal several critical variables which are of interest in the ecological genetics of Gerris and which should be measured in natural populations: (a) extinction probabilities (a distinction being drawn between extinction due to drying up of the population site and extinction due to other causes), (b) extent of passive dispersal, and (c) the proportion of colonized population sites in a large geographical region.</p>","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":" 206","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12166936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On variation, inheritance and chemical interrelationships of monoterpenes in scots pine (Pinus silvestris L.). 苏格兰松(Pinus silvestris L.)单萜烯的变异、遗传及化学相互关系研究。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1976-01-01
R Hiltunen
{"title":"On variation, inheritance and chemical interrelationships of monoterpenes in scots pine (Pinus silvestris L.).","authors":"R Hiltunen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":" 208","pages":"1-54"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12125118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cereal diseases transmitted or caused by aphids and leafhoppers in Turkey. 在土耳其由蚜虫和叶蝉传播或引起的谷类疾病。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1975-01-01
K Bremer, M Raatikainen
{"title":"Cereal diseases transmitted or caused by aphids and leafhoppers in Turkey.","authors":"K Bremer,&nbsp;M Raatikainen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":" 203","pages":"1-14"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12303273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temperature dependence of brain ATPases in immature and adult rats. 未成熟和成年大鼠脑atp酶的温度依赖性。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1975-01-01
R Tirri, K Bowler
{"title":"Temperature dependence of brain ATPases in immature and adult rats.","authors":"R Tirri,&nbsp;K Bowler","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In immature rats the temperature dependence of Na+-K+ ATPase of a crude homogenate of brain shows a compex curve with two activity maxima. When EDTA was present in the homogenization medium the curve obtained was of simpler, curvilinear type showing an increased activity at temperatures above 20 degrees C. The Na+-K+ ATPase activity in similar preparation from adult brain were not complex but curvilinear whether EDTA was used or not; however, EDTA increased the activity at temperatures above 20 degrees C. When such chelating agents as EDTA or histidine were used in preparation of microsomes from immature rat brain, the temperature dependence curve of Na+-K+ ATPase in this membrane fraction was changed to a steeper and simpler curve with increased activity especially at temperatures above 20 degrees. These agents, however, did not eliminate totally the complex shape of curve found in microsomes prepared without the presence of any chelating agents. When microsomes were prepared by using NaI-technique the temperature dependence of this enzyme was linear between temperatures 15-14 degrees, the activity being 4-5-fold higher than in the ordinary microsomal preparation. A stimulation of the Mg2+ ATPase by Na+ ions (100mM) was found at temperatures below 30 degrees but an inhibition by the same concentration of Na+ at upper temperatures. This effect together with the lowered activity due to bivalent metal ions (e.g. Ca2+, Cu2+) in 'crude' preparations was thought to be reasons for the complex shape of temperature dependence curve of Na+-K+ ATPase activity.</p>","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":" 204","pages":"1-13"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11348080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The wing lengths, reproductive stages and habitats of Hungarian Gerris Fabr. species (Heteroptera, Gerridae). 翅长、繁殖阶段及栖息地。种(异翅目，沙蝇科)。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1974-01-01
K Vepsäläinen
{"title":"The wing lengths, reproductive stages and habitats of Hungarian Gerris Fabr. species (Heteroptera, Gerridae).","authors":"K Vepsäläinen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":" 202","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15582098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies in the physiology of the hibernating hedgehog. 19. The changes in the insulin level induced by seasons and hibernation cycle. 冬眠刺猬的生理学研究。19. 季节和冬眠周期引起的胰岛素水平变化。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1974-01-01
M Laurila, P Suomalainen
{"title":"Studies in the physiology of the hibernating hedgehog. 19. The changes in the insulin level induced by seasons and hibernation cycle.","authors":"M Laurila,&nbsp;P Suomalainen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":"0 201","pages":"1-40"},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15522506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nutritional evaluation of heated safflower oil in the rat. 热红花油对大鼠的营养评价。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1973-01-01
A Ahlström, R Järvinen
{"title":"Nutritional evaluation of heated safflower oil in the rat.","authors":"A Ahlström,&nbsp;R Järvinen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":"195 ","pages":"1-13"},"PeriodicalIF":0.0,"publicationDate":"1973-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15883645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies on the physiology of the hibernating hedgehog. 17. The blood cell count of the hedgehog at different times of the year and in different phases of the hibernating cycle. 冬眠刺猬的生理学研究。17. 刺猬在一年中不同时间和冬眠周期的不同阶段的血细胞计数。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1973-01-01
P Suomalainen, V Rosokivi
{"title":"Studies on the physiology of the hibernating hedgehog. 17. The blood cell count of the hedgehog at different times of the year and in different phases of the hibernating cycle.","authors":"P Suomalainen,&nbsp;V Rosokivi","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":"198 ","pages":"1-8"},"PeriodicalIF":0.0,"publicationDate":"1973-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15883286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the plasmatic template system in Micrasterias morphogenesis. 微氏菌形态发生的质体模板系统研究。
Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica Pub Date : 1973-01-01
P Kallio, J Lehtonen
{"title":"On the plasmatic template system in Micrasterias morphogenesis.","authors":"P Kallio,&nbsp;J Lehtonen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76568,"journal":{"name":"Suomalainen Tiedeakatemia toimituksia. Sar. A.4: Biologica","volume":"199 ","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"1973-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15883287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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