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The influence of temperature on the life history of the Antarctic nematode Panagrolaimus davidi
Abstract Panagrolaimus davidi is a free-living microbivore, associated with moss and algal patches in coastal regions around Ross Island, Antarctica. In laboratory experiments, temperature had a major influence on P. davidi life history parameters. The optimal temperature occurred between 25 and 30°...
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| Published in: | Nematology : international journal of fundamental and applied nematological research 2004, Vol.6 (6), p.883-890 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| container_end_page | 890 |
| container_issue | 6 |
| container_start_page | 883 |
| container_title | Nematology : international journal of fundamental and applied nematological research |
| container_volume | 6 |
| creator | Brown, Ian M Wharton, David A Millar, Russell B |
| description | Abstract
Panagrolaimus davidi is a free-living microbivore, associated with moss and
algal patches in coastal regions around Ross Island, Antarctica. In
laboratory experiments, temperature had a major influence on P. davidi life
history parameters. The optimal temperature occurred between 25 and 30°C and
the temperature at which population growth ceased was estimated at 6.8°C.
Threshold temperatures for developmental processes were in the range 4.1°C
(for egg incubation) to 7.6°C (for generation time). The life history
strategy of P. davidi shows r-selected features and is more similar to
temperate free-living nematodes than to other polar species, which show
K-selected features. In the Antarctic, P. davidi is forced to remain dormant
for long periods and growth occurs intermittently when conditions allow,
suggesting A selection. The life history of P. davidi thus exhibits both A
and r-selected features. |
| doi_str_mv | 10.1163/1568541044038641 |
| format | article |
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Panagrolaimus davidi is a free-living microbivore, associated with moss and
algal patches in coastal regions around Ross Island, Antarctica. In
laboratory experiments, temperature had a major influence on P. davidi life
history parameters. The optimal temperature occurred between 25 and 30°C and
the temperature at which population growth ceased was estimated at 6.8°C.
Threshold temperatures for developmental processes were in the range 4.1°C
(for egg incubation) to 7.6°C (for generation time). The life history
strategy of P. davidi shows r-selected features and is more similar to
temperate free-living nematodes than to other polar species, which show
K-selected features. In the Antarctic, P. davidi is forced to remain dormant
for long periods and growth occurs intermittently when conditions allow,
suggesting A selection. The life history of P. davidi thus exhibits both A
and r-selected features.</description><identifier>ISSN: 1388-5545</identifier><identifier>EISSN: 1568-5411</identifier><identifier>EISSN: 1388-5545</identifier><identifier>DOI: 10.1163/1568541044038641</identifier><language>eng</language><publisher>The Netherlands: Brill</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Animals ; Biological and medical sciences ; cold zones ; Demecology ; dormancy ; free-living nematodes ; Fundamental and applied biological sciences. Psychology ; INTRINSIC RATE OF NATURAL INCREASE ; life history ; Panagrolaimus ; POPULATION GROWTH ; Protozoa. Invertebrata ; R-K-A SELECTION ; reproduction ; temperature ; THERMAL TIME ; threshold temperature ; THRESHOLD TEMPERATURES</subject><ispartof>Nematology : international journal of fundamental and applied nematological research, 2004, Vol.6 (6), p.883-890</ispartof><rights>2004 Koninklijke Brill NV, Leiden, The Netherlands</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b374t-d23c67d94fc70b34fe5149e92746afbec0569d259b85abda4f9c2fafd8c64ef53</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16886252$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Brown, Ian M</creatorcontrib><creatorcontrib>Wharton, David A</creatorcontrib><creatorcontrib>Millar, Russell B</creatorcontrib><title>The influence of temperature on the life history of the Antarctic nematode Panagrolaimus davidi</title><title>Nematology : international journal of fundamental and applied nematological research</title><addtitle>NEMY</addtitle><description>Abstract
Panagrolaimus davidi is a free-living microbivore, associated with moss and
algal patches in coastal regions around Ross Island, Antarctica. In
laboratory experiments, temperature had a major influence on P. davidi life
history parameters. The optimal temperature occurred between 25 and 30°C and
the temperature at which population growth ceased was estimated at 6.8°C.
Threshold temperatures for developmental processes were in the range 4.1°C
(for egg incubation) to 7.6°C (for generation time). The life history
strategy of P. davidi shows r-selected features and is more similar to
temperate free-living nematodes than to other polar species, which show
K-selected features. In the Antarctic, P. davidi is forced to remain dormant
for long periods and growth occurs intermittently when conditions allow,
suggesting A selection. The life history of P. davidi thus exhibits both A
and r-selected features.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>cold zones</subject><subject>Demecology</subject><subject>dormancy</subject><subject>free-living nematodes</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>INTRINSIC RATE OF NATURAL INCREASE</subject><subject>life history</subject><subject>Panagrolaimus</subject><subject>POPULATION GROWTH</subject><subject>Protozoa. Invertebrata</subject><subject>R-K-A SELECTION</subject><subject>reproduction</subject><subject>temperature</subject><subject>THERMAL TIME</subject><subject>threshold temperature</subject><subject>THRESHOLD TEMPERATURES</subject><issn>1388-5545</issn><issn>1568-5411</issn><issn>1388-5545</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNp1kElPwzAQhSMEEqVw50YuHFPseIlzLAjKUrG2Z2vi2NQlTSo7QfTf4xIEEhLywTNvvjcavSg6xmiEMSdnmHHBKEaUIiI4xTvRYCslQcO7oSYi1Iyy_ejA-yVCiOUMDyI5W-jY1qbqdK103Ji41au1dtB2LrR13IZ5ZY2OF9a3jdt8IUEb1y041VoV13oFbVPq-BFqeHVNBXbV-biEd1vaw2jPQOX10fc_jOZXl7OL62T6MLm5GE-TgmS0TcqUKJ6VOTUqQwWhRjNMc52nGeVgCq0Q43mZsrwQDIoSqMlVasCUQnGqDSPDCPV7lWu8d9rItbMrcBuJkdwGJP8GFCynvWUNXkFlHNTK-l8fF4KnLA1c0nMhAP3xMwf3JnlGMiZv72byKZsIcf_M5XngT3reQCNDIGHn_CVFmCAcnsi3x456onC2quSy6Vwdwvn_1E8E6IyC</recordid><startdate>2004</startdate><enddate>2004</enddate><creator>Brown, Ian M</creator><creator>Wharton, David A</creator><creator>Millar, Russell B</creator><general>Brill</general><general>BRILL</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2004</creationdate><title>The influence of temperature on the life history of the Antarctic nematode Panagrolaimus davidi</title><author>Brown, Ian M ; Wharton, David A ; Millar, Russell B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b374t-d23c67d94fc70b34fe5149e92746afbec0569d259b85abda4f9c2fafd8c64ef53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>cold zones</topic><topic>Demecology</topic><topic>dormancy</topic><topic>free-living nematodes</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>INTRINSIC RATE OF NATURAL INCREASE</topic><topic>life history</topic><topic>Panagrolaimus</topic><topic>POPULATION GROWTH</topic><topic>Protozoa. Invertebrata</topic><topic>R-K-A SELECTION</topic><topic>reproduction</topic><topic>temperature</topic><topic>THERMAL TIME</topic><topic>threshold temperature</topic><topic>THRESHOLD TEMPERATURES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brown, Ian M</creatorcontrib><creatorcontrib>Wharton, David A</creatorcontrib><creatorcontrib>Millar, Russell B</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Nematology : international journal of fundamental and applied nematological research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brown, Ian M</au><au>Wharton, David A</au><au>Millar, Russell B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of temperature on the life history of the Antarctic nematode Panagrolaimus davidi</atitle><jtitle>Nematology : international journal of fundamental and applied nematological research</jtitle><addtitle>NEMY</addtitle><date>2004</date><risdate>2004</risdate><volume>6</volume><issue>6</issue><spage>883</spage><epage>890</epage><pages>883-890</pages><issn>1388-5545</issn><eissn>1568-5411</eissn><eissn>1388-5545</eissn><abstract>Abstract
Panagrolaimus davidi is a free-living microbivore, associated with moss and
algal patches in coastal regions around Ross Island, Antarctica. In
laboratory experiments, temperature had a major influence on P. davidi life
history parameters. The optimal temperature occurred between 25 and 30°C and
the temperature at which population growth ceased was estimated at 6.8°C.
Threshold temperatures for developmental processes were in the range 4.1°C
(for egg incubation) to 7.6°C (for generation time). The life history
strategy of P. davidi shows r-selected features and is more similar to
temperate free-living nematodes than to other polar species, which show
K-selected features. In the Antarctic, P. davidi is forced to remain dormant
for long periods and growth occurs intermittently when conditions allow,
suggesting A selection. The life history of P. davidi thus exhibits both A
and r-selected features.</abstract><cop>The Netherlands</cop><pub>Brill</pub><doi>10.1163/1568541044038641</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 1388-5545 |
| ispartof | Nematology : international journal of fundamental and applied nematological research, 2004, Vol.6 (6), p.883-890 |
| issn | 1388-5545 1568-5411 1388-5545 |
| language | eng |
| recordid | cdi_crossref_primary_10_1163_1568541044038641 |
| source | Alma/SFX Local Collection |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Animals Biological and medical sciences cold zones Demecology dormancy free-living nematodes Fundamental and applied biological sciences. Psychology INTRINSIC RATE OF NATURAL INCREASE life history Panagrolaimus POPULATION GROWTH Protozoa. Invertebrata R-K-A SELECTION reproduction temperature THERMAL TIME threshold temperature THRESHOLD TEMPERATURES |
| title | The influence of temperature on the life history of the Antarctic nematode Panagrolaimus davidi |
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