Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada

Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to nativ...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Kuczynski, Eva C. [verfasserIn] Paszkowski, Cynthia A.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2010

Schlagwörter:	Alberta Borrow pit Constructed wetland Top predator

Anmerkung:	© Society of Wetland Scientists 2010

Übergeordnetes Werk:	Enthalten in: Wetlands - [S.l.] : Springer, 1981, 30(2010), 5 vom: Okt., Seite 853-863
Übergeordnetes Werk:	volume:30 ; year:2010 ; number:5 ; month:10 ; pages:853-863

Links:	Volltext

DOI / URN:	10.1007/s13157-010-0097-8

Katalog-ID:	SPR030688841

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520			\|a Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods.
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author_variant	e c k ec eck c a p ca cap
matchkey_str	article:19436246:2010----::oderltosfhhregeeoiesuiuocntutdodi
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publishDate	2010
allfields	10.1007/s13157-010-0097-8 doi (DE-627)SPR030688841 (SPR)s13157-010-0097-8-e DE-627 ger DE-627 rakwb eng Kuczynski, Eva C. verfasserin aut Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society of Wetland Scientists 2010 Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods. Alberta (dpeaa)DE-He213 Borrow pit (dpeaa)DE-He213 Constructed wetland (dpeaa)DE-He213 Top predator (dpeaa)DE-He213 Paszkowski, Cynthia A. aut Enthalten in Wetlands [S.l.] : Springer, 1981 30(2010), 5 vom: Okt., Seite 853-863 (DE-627)478509081 (DE-600)2175922-4 1943-6246 nnns volume:30 year:2010 number:5 month:10 pages:853-863 https://dx.doi.org/10.1007/s13157-010-0097-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 30 2010 5 10 853-863
spelling	10.1007/s13157-010-0097-8 doi (DE-627)SPR030688841 (SPR)s13157-010-0097-8-e DE-627 ger DE-627 rakwb eng Kuczynski, Eva C. verfasserin aut Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society of Wetland Scientists 2010 Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods. Alberta (dpeaa)DE-He213 Borrow pit (dpeaa)DE-He213 Constructed wetland (dpeaa)DE-He213 Top predator (dpeaa)DE-He213 Paszkowski, Cynthia A. aut Enthalten in Wetlands [S.l.] : Springer, 1981 30(2010), 5 vom: Okt., Seite 853-863 (DE-627)478509081 (DE-600)2175922-4 1943-6246 nnns volume:30 year:2010 number:5 month:10 pages:853-863 https://dx.doi.org/10.1007/s13157-010-0097-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 30 2010 5 10 853-863
allfields_unstemmed	10.1007/s13157-010-0097-8 doi (DE-627)SPR030688841 (SPR)s13157-010-0097-8-e DE-627 ger DE-627 rakwb eng Kuczynski, Eva C. verfasserin aut Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society of Wetland Scientists 2010 Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods. Alberta (dpeaa)DE-He213 Borrow pit (dpeaa)DE-He213 Constructed wetland (dpeaa)DE-He213 Top predator (dpeaa)DE-He213 Paszkowski, Cynthia A. aut Enthalten in Wetlands [S.l.] : Springer, 1981 30(2010), 5 vom: Okt., Seite 853-863 (DE-627)478509081 (DE-600)2175922-4 1943-6246 nnns volume:30 year:2010 number:5 month:10 pages:853-863 https://dx.doi.org/10.1007/s13157-010-0097-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 30 2010 5 10 853-863
allfieldsGer	10.1007/s13157-010-0097-8 doi (DE-627)SPR030688841 (SPR)s13157-010-0097-8-e DE-627 ger DE-627 rakwb eng Kuczynski, Eva C. verfasserin aut Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society of Wetland Scientists 2010 Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods. Alberta (dpeaa)DE-He213 Borrow pit (dpeaa)DE-He213 Constructed wetland (dpeaa)DE-He213 Top predator (dpeaa)DE-He213 Paszkowski, Cynthia A. aut Enthalten in Wetlands [S.l.] : Springer, 1981 30(2010), 5 vom: Okt., Seite 853-863 (DE-627)478509081 (DE-600)2175922-4 1943-6246 nnns volume:30 year:2010 number:5 month:10 pages:853-863 https://dx.doi.org/10.1007/s13157-010-0097-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 30 2010 5 10 853-863
allfieldsSound	10.1007/s13157-010-0097-8 doi (DE-627)SPR030688841 (SPR)s13157-010-0097-8-e DE-627 ger DE-627 rakwb eng Kuczynski, Eva C. verfasserin aut Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society of Wetland Scientists 2010 Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods. Alberta (dpeaa)DE-He213 Borrow pit (dpeaa)DE-He213 Constructed wetland (dpeaa)DE-He213 Top predator (dpeaa)DE-He213 Paszkowski, Cynthia A. aut Enthalten in Wetlands [S.l.] : Springer, 1981 30(2010), 5 vom: Okt., Seite 853-863 (DE-627)478509081 (DE-600)2175922-4 1943-6246 nnns volume:30 year:2010 number:5 month:10 pages:853-863 https://dx.doi.org/10.1007/s13157-010-0097-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 30 2010 5 10 853-863
language	English
source	Enthalten in Wetlands 30(2010), 5 vom: Okt., Seite 853-863 volume:30 year:2010 number:5 month:10 pages:853-863
sourceStr	Enthalten in Wetlands 30(2010), 5 vom: Okt., Seite 853-863 volume:30 year:2010 number:5 month:10 pages:853-863
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Alberta Borrow pit Constructed wetland Top predator
isfreeaccess_bool	false
container_title	Wetlands
authorswithroles_txt_mv	Kuczynski, Eva C. @@aut@@ Paszkowski, Cynthia A. @@aut@@
publishDateDaySort_date	2010-10-01T00:00:00Z
hierarchy_top_id	478509081
id	SPR030688841
language_de	englisch
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author	Kuczynski, Eva C.
spellingShingle	Kuczynski, Eva C. misc Alberta misc Borrow pit misc Constructed wetland misc Top predator Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada
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topic_title	Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada Alberta (dpeaa)DE-He213 Borrow pit (dpeaa)DE-He213 Constructed wetland (dpeaa)DE-He213 Top predator (dpeaa)DE-He213
topic	misc Alberta misc Borrow pit misc Constructed wetland misc Top predator
topic_unstemmed	misc Alberta misc Borrow pit misc Constructed wetland misc Top predator
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title	Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada
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title_full	Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada
author_sort	Kuczynski, Eva C.
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author_browse	Kuczynski, Eva C. Paszkowski, Cynthia A.
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doi_str_mv	10.1007/s13157-010-0097-8
title_sort	food-web relations of the horned grebe (podiceps auritus) on constructed ponds in the peace parkland, canada
title_auth	Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada
abstract	Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods. © Society of Wetland Scientists 2010
abstractGer	Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods. © Society of Wetland Scientists 2010
abstract_unstemmed	Abstract Borrow-pit constructed ponds, formed during road building, are common along highways that run through the Peace Parkland, Alberta, Canada, providing habitat for a variety of aquatic birds. The horned grebe (Podiceps auritus) is a migratory diving bird that is in decline, likely due to native habitat destruction; however, it readily nests on roadside borrow pits. We conducted stable isotope analysis (SIA), based on carbon and nitrogen, of the food-webs of 14 borrow pits in the Peace Parkland, half occupied and half unoccupied by nesting horned grebes, to determine if food-web structure differed between ponds where breeding grebes were present versus ponds where grebes were absent. Grebe eggs were collected from seven ponds and suspected vertebrate and invertebrate prey were collected from all ponds. Borrow pits had simple, consistent food-webs. No difference in food-web structure or invertebrate biomass was detected between occupied and unoccupied ponds. When present, horned grebes were top predators, as determined by nitrogen signatures of egg albumen, and held the same trophic position as small-bodied fish. Grebes use nutrients acquired from the breeding pond for egg formation. SIA indicated that horned grebes were generalists, feeding on organisms from a variety of trophic positions including odonates, leeches, and amphipods. © Society of Wetland Scientists 2010
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container_issue	5
title_short	Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada
url	https://dx.doi.org/10.1007/s13157-010-0097-8
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up_date	2024-07-03T19:33:49.623Z
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Food-Web Relations of the Horned Grebe (Podiceps auritus) on Constructed Ponds in the Peace Parkland, Canada

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