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Papers by Ziemowit Kosiński

Research paper thumbnail of Nest sites of Great Spotted Woodpeckers<i>Dendrocopos major</i>and Middle Spotted Woodpeckers<i>Dendrocopos medius</i>in Near-Natural and Managed Riverine Forests

Acta Ornithologica, Jul 1, 2006

BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access t... more BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Research paper thumbnail of Liczebnosc i sukces legowy bociana bialego Ciconia ciconia na ziemi krotoszynskiej w latach 1993-1997

Chrońmy Przyrodę Ojczystą, 1998

Research paper thumbnail of Density, distribution and nest-sites of woodpeckers Picidae, in a managed forest of Western Poland

Polish Journal of Ecology, 2007

Research paper thumbnail of Ocena liczebnosci dzieciola sredniego Dendrocopos medius - porownanie metody kartograficznej z uzyciem stymulacji magnetofonowej z metoda wyszukiwania gniazd

Notatki Ornitologiczne, 2003

Research paper thumbnail of Ugrupowanie ptakow legowych Dabrowy Krotoszynskiej na tle gradow Polski

Notatki Ornitologiczne, 1993

Research paper thumbnail of Mates Exhibit Similar Brightness of Carotenoid Red Caps in Middle Spotted Woodpeckers Dendrocopos Medius

Acta Ornithologica, Dec 1, 2014

Leniowski K., Węgrzyn E., Kosiński Z. 2014. Mates exhibit similar brightness of carotenoid red ca... more Leniowski K., Węgrzyn E., Kosiński Z. 2014. Mates exhibit similar brightness of carotenoid red caps in Middle Spotted Woodpeckers Dendrocopos medius. Acta Ornithol. 49: 267-272.

Research paper thumbnail of Do increases in the availability of standing dead trees affect the abundance, nest-site use, and niche partitioning of great spotted and middle spotted woodpeckers in riverine forests?

Biodiversity and Conservation, Aug 28, 2017

Standing dead trees may be a limited resource for woodpeckers in managed forests, especially for ... more Standing dead trees may be a limited resource for woodpeckers in managed forests, especially for species that rely on dead wood for their nest or roost cavity, and as foraging sites. Effective conservation strategies for woodpeckers require a detailed knowledge of species' responses to dead wood availability. To investigate the importance of standing dead wood (snags) for the abundance and nest-site use of the great spotted woodpecker Dendrocopos major and middle spotted woodpecker Leiopicus medius in mature riverine forests, we compared the responses of birds between two periods-before mass mortality, and during a pulse in standing dead trees. The density of standing dead trees available for cavity excavation by the great spotted woodpecker and the middle spotted woodpecker increased significantly during the study period: 37-fold and 4-fold, respectively. Temporal trends in the abundance of both woodpecker species from 2000 to 2015 were not significant. Great spotted woodpeckers were significantly more likely to use dead trees and places with wounds in species other than oak and ash during the outbreak period than in the pre-outbreak period. Middle spotted woodpeckers were significantly less likely to excavate cavities in tree species other than oak and ash in the outbreak period, but dead trees were more likely selected. An interspecific comparison suggests that the probability of a nest-hole having been excavated by a middle spotted woodpecker increased with a nest-hole sited in ash, in a dead tree, in a limb/branch, and decreased with Communicated by Khoon Meng Wong.

Research paper thumbnail of The Breeding Ecology of the Greenfinch<i>Carduelis chloris</i>in Urban Conditions (Study in Krotoszyn, W Poland)

Acta Ornithologica, Dec 1, 2001

Research paper thumbnail of Population dynamics and regulation of the Middle Spotted Woodpecker in strictly protected and managed forests in Western Poland

Journal of ornithology, Mar 31, 2020

Analysis of ecological time series allows to assess the relative contribution of density-dependen... more Analysis of ecological time series allows to assess the relative contribution of density-dependent and density-independent factors influencing the regulation of the population of a species. In this study, we investigated whether the annual fluctuation in the population of Middle Spotted Woodpeckers Dendrocoptes medius can be attributed to the direct or delayed densitydependent regulation or to the density-independent factors such as weather conditions during the preceding winter and previous breeding season and/or disturbance in the habitat associated with sanitary felling and salvage logging of trees. This study was conducted in the Czeszewo Forest Reserve, which protects the remnants of semi-natural flood-plain forest, and in the Łówkowiec Forest, which is a managed oak-dominated stand, during 19 seasons (2001-2019). Time series diagnostic revealed that the growth rate of population of Middle Spotted Woodpecker in protected semi-natural riverine forest and in managed oak forest was determined by first-order negative feedback, suggesting an important role of direct density-dependent mortality in the regulation of an equilibrium in population size. The effect of density-dependent process varied between study sites, being lower in riverine forest, where population size has increased distinctly in recent years. In both study areas, we detected strong positive effects of wind chill temperature during the preceding winter on population growth rates. We did not find evidence for the assumption that the increase in population growth rate is affected by weather conditions in the previous breeding season and by the disturbance in the habitat associated with sanitary felling and salvage logging of trees. Our results suggest that Middle Spotted Woodpeckers can benefit from global climate warming by an enhanced rate of winter survival or an increase in the accessibility of food, e.g., insects and other arthropods. The lack of time-lag significant correlations between population fluctuations suggests local habitat conditions, e.g., forest management, can modify inter-annual variability in time series of the Middle Spotted Woodpecker.

Research paper thumbnail of Does cavity reuse affect timing of reproduction and fledgling success in the Black Woodpecker?

Journal of ornithology, Jul 23, 2018

Nesting in old cavities may be adaptive for birds as it may offer an advantage of earlier laying ... more Nesting in old cavities may be adaptive for birds as it may offer an advantage of earlier laying and higher fitness through more recruiting offspring. Black Woodpeckers frequently use old cavities, which gives the opportunity to test how this behavior affects the timing and the success of reproduction. In this paper, we have tested a prediction that excavating a new cavity causes a delay in breeding, and that it is linked to lower productivity. We found that in the Wielkopolski National Park (western Poland) Black Woodpeckers nested exclusively in European beeches, mainly in living trees, and most frequently in their old cavities. The median relative egg-laying date in old cavities was 5.5 days earlier than in new cavities. We did not find a difference in clutch size between old and new cavities due to its low variation in the population. The proportion of offspring surviving to the end of the nestling period was 0.812 in old cavities and 0.632 in new cavities, although this did not differ significantly. However, survivorship dropped rapidly in the hatching period, especially in new cavities. In Black Woodpecker, the number of fledglings that succeeded was best explained by a model including the age of the cavity and the relative laying date. The estimated parameters of the best ranked model revealed that the number of fledglings is affected by the age of the cavity as it was higher for old cavities than for new cavities. This study shows that nest reuse is adaptive for primary excavators as it offers time and energy savings needed for cavity excavation, and increases productivity, compared to those pairs of birds that are forced to excavate a new cavity. These data are consistent with the hypothesis that cavity excavation is energetically expensive and support the prediction of tradeoffs between nest building and different components of reproduction. Responsible forest management should consider the need to protect living beeches with old cavities, which are frequently used by Black Woodpeckers.

Research paper thumbnail of Factors affecting the density of the middle spotted woodpecker Dendrocopos medius: a macrohabitat approach

Journal of Ornithology, May 25, 2005

Research paper thumbnail of Dzięcioł czarny Dryocopus martius i buk Fagus sylvatica gatunkami zwornikowymi dla siniaka Columba oenas w zachodniej Polsce

Research paper thumbnail of Effects of lake morphometry, emergent vegetation and shore habitat on breeding bird communities

Research paper thumbnail of Nest-Sites used by Stock Doves<i>Columba oenas</i>: What Determines their Occupancy?

Acta Ornithologica, Dec 1, 2011

Research paper thumbnail of Zgrupowanie ptakow legowych Jeziora Lednickiego w latach 1994-1995

Research paper thumbnail of The removal of colour rings by GreenfinchesCarduelis chloris

Ringing and Migration, 2004

Research paper thumbnail of Comparative reproductive biology of Middle Spotted Woodpeckers<i>Dendrocopos medius</i>and Great Spotted Woodpeckers<i>D. major</i>in a riverine forest

Bird Study, Nov 1, 2006

ABSTRACT Aims To examine the relevant reproductive features of the two co-occurring congeneric wo... more ABSTRACT Aims To examine the relevant reproductive features of the two co-occurring congeneric woodpecker species, to analyse the effect of timing of breeding, clutch size and weather conditions on survival time of nestlings, and to discuss life-history traits in relation to potential food limitation and mortality.

Research paper thumbnail of Ocena liczebności dzięcioła średniego Dendrocopos medius w ostoi ptaków "Dąbrowy Krotoszyńskie

Research paper thumbnail of The use of canonical correlation analysis for ornithological evaluation of lakes in W Poland

The aim of the study was to evaluate the importance of lakes in the Wielkopolska region (western ... more The aim of the study was to evaluate the importance of lakes in the Wielkopolska region (western Poland) to migratory waterbirds on the basis of lake morphometry. Single bird surveys were conducted on 204 lakes in November between 1973n1975 and 1984n1986. The observed species distribution deviated from the model of random placement. The relationship between habitat variables and iavian indicesi (number of species, abundance of single species and total abundance of birds) were analysed by canonical correlation. A high value of the canonical correlation coefficient between bird abundance and morphometric measures was recorded. We conclude that canonical correlation can be used to evaluate the attractiveness of lakes for birds. The advantages of this method are: (1)†consideration of correlations between the data sets (morphometric measures and avian indices) and within these sets, (2)†objectiveness and (3)†possibility of evaluation of the lake in the case of lack of bird surveys. These data will facilitate the development of a regional monitoring programme, as well as provide baseline data for identifying the most valuable lakes.

Research paper thumbnail of Factors affecting the occurrence of middle spotted woodpeckers revealed by forest inventory data

Baltic Forestry, 2013

ABSTRACT Kosiński, Z. 2006: Factors affecting the occurrence of middle spotted and great spotted ... more ABSTRACT Kosiński, Z. 2006: Factors affecting the occurrence of middle spotted and great spotted woodpeck-ers in deciduous forests — a case study from Poland. — Ann. Zool. Fennici 43: 198–210. Based on published data on 117 deciduous forest sites studied in Poland, relationships between habitat factors (size of study plot, type and age of forest stands) and breed-ing of great spotted and middle spotted woodpeckers were examined. As compared with middle spotted woodpeckers, great spotted woodpeckers occupied twice as large a number of studied plots (97 vs. 41) and were characterized by lower area demands. Great spotted woodpeckers avoided young forest stands and residual alluvial forests, preferring oak-dominated forests. Middle spotted woodpeckers selected the oldest, oak-dominated forests. Logistic regression revealed that the presence or absence of great spotted woodpeckers could be predicted from the age of forest stands, and the occurrence of middle spotted woodpeckers was positively correlated with the plot size and type of forest. My results stress the importance of old, sufficiently large (&gt; 15 ha) oak dominated forests conducive to the presence of middle spotted woodpeckers.

Research paper thumbnail of Nest sites of Great Spotted Woodpeckers<i>Dendrocopos major</i>and Middle Spotted Woodpeckers<i>Dendrocopos medius</i>in Near-Natural and Managed Riverine Forests

Acta Ornithologica, Jul 1, 2006

BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access t... more BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Research paper thumbnail of Liczebnosc i sukces legowy bociana bialego Ciconia ciconia na ziemi krotoszynskiej w latach 1993-1997

Chrońmy Przyrodę Ojczystą, 1998

Research paper thumbnail of Density, distribution and nest-sites of woodpeckers Picidae, in a managed forest of Western Poland

Polish Journal of Ecology, 2007

Research paper thumbnail of Ocena liczebnosci dzieciola sredniego Dendrocopos medius - porownanie metody kartograficznej z uzyciem stymulacji magnetofonowej z metoda wyszukiwania gniazd

Notatki Ornitologiczne, 2003

Research paper thumbnail of Ugrupowanie ptakow legowych Dabrowy Krotoszynskiej na tle gradow Polski

Notatki Ornitologiczne, 1993

Research paper thumbnail of Mates Exhibit Similar Brightness of Carotenoid Red Caps in Middle Spotted Woodpeckers Dendrocopos Medius

Acta Ornithologica, Dec 1, 2014

Leniowski K., Węgrzyn E., Kosiński Z. 2014. Mates exhibit similar brightness of carotenoid red ca... more Leniowski K., Węgrzyn E., Kosiński Z. 2014. Mates exhibit similar brightness of carotenoid red caps in Middle Spotted Woodpeckers Dendrocopos medius. Acta Ornithol. 49: 267-272.

Research paper thumbnail of Do increases in the availability of standing dead trees affect the abundance, nest-site use, and niche partitioning of great spotted and middle spotted woodpeckers in riverine forests?

Biodiversity and Conservation, Aug 28, 2017

Standing dead trees may be a limited resource for woodpeckers in managed forests, especially for ... more Standing dead trees may be a limited resource for woodpeckers in managed forests, especially for species that rely on dead wood for their nest or roost cavity, and as foraging sites. Effective conservation strategies for woodpeckers require a detailed knowledge of species' responses to dead wood availability. To investigate the importance of standing dead wood (snags) for the abundance and nest-site use of the great spotted woodpecker Dendrocopos major and middle spotted woodpecker Leiopicus medius in mature riverine forests, we compared the responses of birds between two periods-before mass mortality, and during a pulse in standing dead trees. The density of standing dead trees available for cavity excavation by the great spotted woodpecker and the middle spotted woodpecker increased significantly during the study period: 37-fold and 4-fold, respectively. Temporal trends in the abundance of both woodpecker species from 2000 to 2015 were not significant. Great spotted woodpeckers were significantly more likely to use dead trees and places with wounds in species other than oak and ash during the outbreak period than in the pre-outbreak period. Middle spotted woodpeckers were significantly less likely to excavate cavities in tree species other than oak and ash in the outbreak period, but dead trees were more likely selected. An interspecific comparison suggests that the probability of a nest-hole having been excavated by a middle spotted woodpecker increased with a nest-hole sited in ash, in a dead tree, in a limb/branch, and decreased with Communicated by Khoon Meng Wong.

Research paper thumbnail of The Breeding Ecology of the Greenfinch<i>Carduelis chloris</i>in Urban Conditions (Study in Krotoszyn, W Poland)

Acta Ornithologica, Dec 1, 2001

Research paper thumbnail of Population dynamics and regulation of the Middle Spotted Woodpecker in strictly protected and managed forests in Western Poland

Journal of ornithology, Mar 31, 2020

Analysis of ecological time series allows to assess the relative contribution of density-dependen... more Analysis of ecological time series allows to assess the relative contribution of density-dependent and density-independent factors influencing the regulation of the population of a species. In this study, we investigated whether the annual fluctuation in the population of Middle Spotted Woodpeckers Dendrocoptes medius can be attributed to the direct or delayed densitydependent regulation or to the density-independent factors such as weather conditions during the preceding winter and previous breeding season and/or disturbance in the habitat associated with sanitary felling and salvage logging of trees. This study was conducted in the Czeszewo Forest Reserve, which protects the remnants of semi-natural flood-plain forest, and in the Łówkowiec Forest, which is a managed oak-dominated stand, during 19 seasons (2001-2019). Time series diagnostic revealed that the growth rate of population of Middle Spotted Woodpecker in protected semi-natural riverine forest and in managed oak forest was determined by first-order negative feedback, suggesting an important role of direct density-dependent mortality in the regulation of an equilibrium in population size. The effect of density-dependent process varied between study sites, being lower in riverine forest, where population size has increased distinctly in recent years. In both study areas, we detected strong positive effects of wind chill temperature during the preceding winter on population growth rates. We did not find evidence for the assumption that the increase in population growth rate is affected by weather conditions in the previous breeding season and by the disturbance in the habitat associated with sanitary felling and salvage logging of trees. Our results suggest that Middle Spotted Woodpeckers can benefit from global climate warming by an enhanced rate of winter survival or an increase in the accessibility of food, e.g., insects and other arthropods. The lack of time-lag significant correlations between population fluctuations suggests local habitat conditions, e.g., forest management, can modify inter-annual variability in time series of the Middle Spotted Woodpecker.

Research paper thumbnail of Does cavity reuse affect timing of reproduction and fledgling success in the Black Woodpecker?

Journal of ornithology, Jul 23, 2018

Nesting in old cavities may be adaptive for birds as it may offer an advantage of earlier laying ... more Nesting in old cavities may be adaptive for birds as it may offer an advantage of earlier laying and higher fitness through more recruiting offspring. Black Woodpeckers frequently use old cavities, which gives the opportunity to test how this behavior affects the timing and the success of reproduction. In this paper, we have tested a prediction that excavating a new cavity causes a delay in breeding, and that it is linked to lower productivity. We found that in the Wielkopolski National Park (western Poland) Black Woodpeckers nested exclusively in European beeches, mainly in living trees, and most frequently in their old cavities. The median relative egg-laying date in old cavities was 5.5 days earlier than in new cavities. We did not find a difference in clutch size between old and new cavities due to its low variation in the population. The proportion of offspring surviving to the end of the nestling period was 0.812 in old cavities and 0.632 in new cavities, although this did not differ significantly. However, survivorship dropped rapidly in the hatching period, especially in new cavities. In Black Woodpecker, the number of fledglings that succeeded was best explained by a model including the age of the cavity and the relative laying date. The estimated parameters of the best ranked model revealed that the number of fledglings is affected by the age of the cavity as it was higher for old cavities than for new cavities. This study shows that nest reuse is adaptive for primary excavators as it offers time and energy savings needed for cavity excavation, and increases productivity, compared to those pairs of birds that are forced to excavate a new cavity. These data are consistent with the hypothesis that cavity excavation is energetically expensive and support the prediction of tradeoffs between nest building and different components of reproduction. Responsible forest management should consider the need to protect living beeches with old cavities, which are frequently used by Black Woodpeckers.

Research paper thumbnail of Factors affecting the density of the middle spotted woodpecker Dendrocopos medius: a macrohabitat approach

Journal of Ornithology, May 25, 2005

Research paper thumbnail of Dzięcioł czarny Dryocopus martius i buk Fagus sylvatica gatunkami zwornikowymi dla siniaka Columba oenas w zachodniej Polsce

Research paper thumbnail of Effects of lake morphometry, emergent vegetation and shore habitat on breeding bird communities

Research paper thumbnail of Nest-Sites used by Stock Doves<i>Columba oenas</i>: What Determines their Occupancy?

Acta Ornithologica, Dec 1, 2011

Research paper thumbnail of Zgrupowanie ptakow legowych Jeziora Lednickiego w latach 1994-1995

Research paper thumbnail of The removal of colour rings by GreenfinchesCarduelis chloris

Ringing and Migration, 2004

Research paper thumbnail of Comparative reproductive biology of Middle Spotted Woodpeckers<i>Dendrocopos medius</i>and Great Spotted Woodpeckers<i>D. major</i>in a riverine forest

Bird Study, Nov 1, 2006

ABSTRACT Aims To examine the relevant reproductive features of the two co-occurring congeneric wo... more ABSTRACT Aims To examine the relevant reproductive features of the two co-occurring congeneric woodpecker species, to analyse the effect of timing of breeding, clutch size and weather conditions on survival time of nestlings, and to discuss life-history traits in relation to potential food limitation and mortality.

Research paper thumbnail of Ocena liczebności dzięcioła średniego Dendrocopos medius w ostoi ptaków "Dąbrowy Krotoszyńskie

Research paper thumbnail of The use of canonical correlation analysis for ornithological evaluation of lakes in W Poland

The aim of the study was to evaluate the importance of lakes in the Wielkopolska region (western ... more The aim of the study was to evaluate the importance of lakes in the Wielkopolska region (western Poland) to migratory waterbirds on the basis of lake morphometry. Single bird surveys were conducted on 204 lakes in November between 1973n1975 and 1984n1986. The observed species distribution deviated from the model of random placement. The relationship between habitat variables and iavian indicesi (number of species, abundance of single species and total abundance of birds) were analysed by canonical correlation. A high value of the canonical correlation coefficient between bird abundance and morphometric measures was recorded. We conclude that canonical correlation can be used to evaluate the attractiveness of lakes for birds. The advantages of this method are: (1)†consideration of correlations between the data sets (morphometric measures and avian indices) and within these sets, (2)†objectiveness and (3)†possibility of evaluation of the lake in the case of lack of bird surveys. These data will facilitate the development of a regional monitoring programme, as well as provide baseline data for identifying the most valuable lakes.

Research paper thumbnail of Factors affecting the occurrence of middle spotted woodpeckers revealed by forest inventory data

Baltic Forestry, 2013

ABSTRACT Kosiński, Z. 2006: Factors affecting the occurrence of middle spotted and great spotted ... more ABSTRACT Kosiński, Z. 2006: Factors affecting the occurrence of middle spotted and great spotted woodpeck-ers in deciduous forests — a case study from Poland. — Ann. Zool. Fennici 43: 198–210. Based on published data on 117 deciduous forest sites studied in Poland, relationships between habitat factors (size of study plot, type and age of forest stands) and breed-ing of great spotted and middle spotted woodpeckers were examined. As compared with middle spotted woodpeckers, great spotted woodpeckers occupied twice as large a number of studied plots (97 vs. 41) and were characterized by lower area demands. Great spotted woodpeckers avoided young forest stands and residual alluvial forests, preferring oak-dominated forests. Middle spotted woodpeckers selected the oldest, oak-dominated forests. Logistic regression revealed that the presence or absence of great spotted woodpeckers could be predicted from the age of forest stands, and the occurrence of middle spotted woodpeckers was positively correlated with the plot size and type of forest. My results stress the importance of old, sufficiently large (&gt; 15 ha) oak dominated forests conducive to the presence of middle spotted woodpeckers.