Piotr Tryjanowski

Piotr Tryjanowski
Poznań University of Life Sciences · Department of Zoology

PhD

About

564
Publications
214,059
Reads
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13,355
Citations
Additional affiliations
June 2009 - present
Poznań University of Life Sciences
Position
  • Managing Director
January 2007 - June 2009
University of Zielona Góra
Position
  • Professor (Full)
September 1995 - July 2009
Adam Mickiewicz University
Position
  • Professor (Full)

Publications

Publications (564)
Book
Urbanization and its impacts on biodiversity are global in scale. On the other hand, by adding human capital, cities constantly incubate new ideas and technologies, creating the conditions for socially and environmentally more effective growth. Urban ecology, whose information is essential to support planning based on an environmental perspective,...
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Water is crucial for birds, especially during hot weather. However, the availability of water, and its use by birds in modern anthropogenic habitats, is far from understood, especially outside arid regions. Here, we analyze a large nationwide dataset collected in the temperate zone and present an overview of small water resources used by birds in u...
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Species richness is a widely used proxy for patterns of biodiversity variation in metacommunities. However, deeper analyses require additional metrics, such as the occupancy-frequency distributions (SOFD) of different local communities. The SOFD patterns indicate the number of shared species between study sites; therefore, they can provide new insi...
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Bats have been identified as reservoirs of zoonotic and potentially zoonotic pathogens. Significant progress was made in the field of molecular biology with regard to infectious diseases, especially those that infect more than one species. Molecular methods, sequencing and bioinformat-ics have recently become irreplaceable tools in emerging infecti...
Article
The phyllosphere harbours a diverse and specific bacterial community, which influences plant health and ecosystem functioning. In this study, we investigated the impact of urban green areas connectivity and size on the composition and diversity of phyllosphere bacterial communities. Hereto, we evaluated the diversity and composition of phyllosphere...
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The ongoing growth of the human population will increase the rate of wildlife-human interactions. High levels of animal tolerance and flexible responses towards human presence seem to be among the key mechanisms behind successful wildlife-human coexistence, but this behaviour remains unexplored for most populations and species of animals. Here, we...
Preprint
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The coronavirus disease 2019 (COVID-19) pandemic has dramatically altered human activities, potentially relieving human pressures on urban-dwelling animals. Here, we evaluated whether birds from five cities in five countries (Czech Republic - Prague, Finland - Rovaniemi, Hungary - Budapest, Poland - Poznan, and Australia - Melbourne) changed their...
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Mobile telecommunications technologies have become an indispensable part of people’s lives of all ages around the world. They affect personal life and social interactions and are a work tool in the work routine. Network availability requirements and the quality of the Internet connection are constantly increasing, to which telecommunications provid...
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The Blue-and-yellow macaw (Ara ararauna) is a charismatic and easily recognized species. In Brazil, this macaw is strongly linked to a key habitat, the Cerrado biome, which is a predominantly dry forest savanna. Ara ararauna occurs and breeds in the city of Rondonópolis, a medium-sized city located in Mato Grosso, in the Central-West Region of Braz...
Article
Urban green spaces (UGSs) are important elements of urban landscapes. Woody vegetation is a key component of UGSs, providing many socio-ecological benefits such as habitat provision and human well-being. Knowing plant diversity and vegetation configuration that underpin urban ecosystem processes and functions is critical to maximize nature contribu...
Article
Numerous studies have shown a positive impact of nature on psychological restoration and on well-being, which, in turn, are related to life satisfaction. Previous studies were place based or episode assessments, usually in the field. Here, we studied bird-watchers at different levels of their recreational specialization, especially the factor commi...
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Por la urgente necesidad de compilar informaciones sobre la ecología y biodiversidad de ciudades tropicales, hemos sido invitados por la Editora Springer Nature para organizar un libro sobre la ecología e diversidad biológica de ciudades tropicales de diversas escalas, y sobre cómo traducir estas informaciones en planificación y gestión urbanas rea...
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Urbanization poses threats and opportunities for the biodiversity of wild bees. At the same time, cities can harbour diverse wild bee assemblages, partily due to the unique plant assemblages providing resources. While bee dietary preferences have been investigated in different studies, bee dietary studies have been done mostly in non urban ecosyste...
Preprint
Mobile telecommunications technologies have become an indispensable part of people´s lives of all ages around the world. They affect personal life and social interactions and are a work tool in the work routine. The requirements for network availability and the quality of the Internet connection are constantly increasing, to which telecommunication...
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Full-text available
Animal and meat inspections in abattoirs are important in the surveillance of zoonotic diseases. Veterinary inspections in abattoirs can provide useful data for the management of health and welfare issues of humans and animals. Using the network analysis and ordination technique, in this study, we analyzed the data from 11 years of veterinary inspe...
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Schooling is a concept that is as ancient as human history. Initially, offspring learnt to survive and subsist from their parents and immediate families/tribe. Later in history, with the evolvement of agricultural societies, they learnt trades. Eventually, with the industrial revolution in the mid-19th century that required concentrated man-power a...
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In a modern world, both tick-borne diseases and alcohol consumption are among major public health threats. In the present opinion article, we pose the question, whether these two health problems: alcohol consumption and tick-borne diseases prevalence can be related. We hypothesize that it is possible due to at least three factors: outdoor places ch...
Article
Strong declines of the White Stork Ciconia ciconia population in southwestern Poland: a differentiated importance of altitude and land use changes. Acta Ornithol. 56: 255-271. Abstract. Studies of long-term trends in avian populations require large-scale data not available for most bird species. The White Stork Ciconia ciconia is unique being monit...
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Human-nature relationships are an important aspect of leisure research. Previous studies also reported that nature-related activities have a health benefit. In this study, we surveyed US-American birdwatchers at two time points during the COVID pandemic (independent samples). During the beginning of the COVID pandemic in spring 2020, we analyzed th...
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Bats are particularly susceptible to environmental changes because of their low reproductive rate, longevity, and high metabolic rates, which lead to relatively high food requirements. Thus, bat populations take a relatively long time to recover from increased mortality rates, and monitoring schemes should cover long time periods. In this work, we...
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Urban and suburban areas are among the fastest-growing land-use types globally, reducing and fragmenting natural habitats for many animal species and making human-wildlife interactions more common. However, cities also create habitat for several species considered urban tolerant or urban exploiter species. Additionally, the environmental characteri...
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Urban ecosystems can sustain populations of wild bees, partly because of their rich native and exotic floral resources. A better understanding of the urban bee diet, particularly at the larval stage, is necessary to understand biotic interactions and feeding behaviour in urban ecosystems, and to promote bees by improving the management of urban flo...
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Capsule White Storks Ciconia ciconia forming migrating flocks in southern Poland in autumn came from central Poland and eastern Germany, and used ploughed fields and cut meadows to forage before they moved south. Aims The aim of this study was to collect information on the flocking behaviour of the White Stork in southern Poland, with a special fo...
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Introduction. Electromagnetic radiation interactions with living systems have been one of the determining factors in biological evolution. This study investigates the effect of 900 MHz radiofrequency (RF) electromagnetics field (EMF) exposure of eggs on the development of Dermacentor reticulatus larvae. Objective. The aim of the study was to determ...
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Incubation behaviour is essential for understanding the reproductive success in birds. For example, the orientation of the bird is important for reducing incubation costs associated with wind or sun, but on the other hand can be modified by the perceived risk of predation. We studied the body position of incubating White Stork Ciconia ciconia in ea...
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Introduction: The COVID-19 pandemic has changed many routines worldwide and has also affected the mental health of psychiatric patients and mental health professionals. One of the suggested methods for mental health improvement is more intensive contact with nature, including birdwatching as a hobby. Material and methods: After an ornithological wa...
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Europe is an urbanized continent characterized by a long history of human-wildlife interactions. This study aimed to assess the effects of specific elements of urbanization and urban pollution on complementary avian diversity metrics, to provide new insights on the conservation of urban birds. Our study recorded 133 bird species at 1624 point coun...
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Actions taken against the COVID-19 pandemic have dramatically affected many aspects of human activity, giving us a unique opportunity to study how wildlife responds to the human-induced rapid environmental changes. The wearing of face masks, widely adopted to prevent pathogen transmission, represents a novel element in many parts of the world where...
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Bird feeders are known to be a transfer site for many important bird pathogens, such as zoonotic Salmonella spp., known to be widespread among wild birds in Poland. The aim of the study was to investigate (1) whether feeders can be a source of Salmonella spp., (2) whether the risk is the same for feeders located in cities and rural areas and (3) wh...
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Climate and land use are rapidly changing environmental conditions. Behavioral responses to such global perturbations can be used to incorporate interspecific interactions into predictive models of population responses to global change. Flight initiation distance (FID) reflects antipredator behaviour defined as the distance at which an individual t...
Article
1. Burrows are specific structures created by animals, characterised by specific conditions different from those in the surrounding environment. Therefore, burrows may play a role for many other animals than their owners. To test this view, we have chosen the burrows of red foxes Vulpes vulpes and badgers Meles meles, two main burrow dwellers from...
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Birdwatching (birding) is a nature-based recreational activity, often including arising early in the morning. In the present study, we tested the effect of a negative social jetlag (SJL) in birders. Negative SJL implies that people have an even earlier sleep-wake rhythm on free days or weekends. As birds' activities start before or shortly after su...
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Collisions of vehicles with animals are an increasing problem, and due to the loss of animal, as well as human, life is an active topic in applied ecology. One of the best-known mitigation methods to avoid collisions is the provision of dedicated road warning signs. However, due to changes in landscape, in the densities of cars and animals, and to...
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Introduction: Despite the growing number of studies describing digit ratio patterns in tetrapods, knowledge concerning certain basic issues is still scarce. In lower vertebrates such as tailless amphibians (Anura), the numbering of individual fingers on the forelimbs and their homology with the fingers of other vertebrates pose an unsolved problem....
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Providing artificial eggs is a commonly used technique to understand brood parasitism, mainly by the common cuckoo ( Cuculus canorus ). However, the presence of a cuckoo egg in the host nest would also require an earlier physical presence of the common cuckoo within the host territory. During our study of the red-backed shrike ( Lanius collurio ),...
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Birds with plumage colour aberrations are of interest to both the general public and scientists. However, due to their rarity in nature, information on the presence of colour aberrations is rarely found in the peer‐reviewed literature. Exploration of public observations using modern information technologies such as Internet‐based search engines cou...
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The early-life environment plays a crucial role in shaping morphological, physiological, and behavioural traits, with potential long-term consequences for fitness. Indeed, a set of factors experienced by offspring during prenatal and early post-natal development has been recognised to affect behavioural trait expression in later life. Several studi...
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Farmland birds belong to the most endangered group of vertebrates in Europe. They are an important component of farmland biodiversity considering the numerous functions they perform (e.g. seed dispersal, improving germination, increasing gene flow, nutrient recycling, and pest control). Therefore, their decline imposes substantial risks on agricult...
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Finding a good breeding site, especially for those bird species that build large nests, is a crucial element in the settlement of a new potential area. Understanding the site selection process is not only interesting from an ecological theoretical point of view, but also has strong conservation implications. How do birds assess the quality of a sit...
Preprint
Full-text available
Bats are particularly susceptible to environmental changes because of their low reproductive rate, longevity, and high metabolic rates, which lead to relatively high food requirements. Thus, bat populations take a relatively long time to recover from increased mortality rates, and monitoring schemes should cover long time periods. In this work we a...
Article
Full-text available
Cities are challenging environments for human life, because of multiple environmental issues driven by urbanization. These can sometimes be mitigated through ecosystem services provided by different functions supported by biodiversity. However, biodiversity in cities is affected by numerous factors, namely habitat loss, degradation, and fragmentati...
Article
• Less transformed and managed grassland habitats in Asia serve as a good frame of reference for studies on demographics and ecological situations of grassland species in Europe. In this study, using AFLPs (transposon insertion display), we compared the genetic structures of populations of the endangered and highly specialised scarce large blue (Ph...
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How high do birds fly above roads, and how do they use the road infrastructure (bridges, lampposts etc.)? These questions are rarely explored in ecological studies but were addressed by us during research in 2016–2018 in southern Poland. In total, 1665 individual birds belonging to 24 species were recorded. Species differed significantly in the hei...
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Increases in the wild boar Sus scrofa population create many conflicts that must be managed, especially because hunting represents a major cause of mortality in this game species. However, hunting effort is not distributed randomly and is influenced by many factors, including hunting methods. This can be especially important in understanding the na...
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Due to their falling cost, unmanned aerial vehicles, often called drones, are increasingly used as a tool in birdresearch and conservation. However, behavioural responses of birds to flying drones are still not well understood, for example do birds recognize drones as predators, as benign, or as neutral elements? How do they react to drones? We ans...
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Many organisms are characterised by strikingly contrasting black and white colouration, but the function of such contrasts has been inadequately studied. In the present paper, we tested the function of black and white contrasting plumage in white stork Ciconia ciconia chicks. We found greater abundance and diversity of microorganisms on black compa...
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Predator–prey dynamics of large felids and their ecology in the tropics have largely been studied in natural systems where wild ungulates constitute the majority of the prey base. However, in tropical countries where communities are primarily agrarian, the high density of domestic animals in human-dominated landscapes can be a potential prey source...
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Top‐predators, including birds of prey, play an important role in ecosystems and are good bioindicators (Sergio et al. 2005). Links between the presence of predators and the overall biodiversity of a particular habitat mainly focus on trophic relationships (Roth and Weber 2008, Sergio et al. 2008b, Burgas et al. 2014). However, top‐predators not on...
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The new corona virus infection SARS-CoV2 which was later renamed COVID-19 is a pandemic affecting public health. The fear and the constraints imposed to control the pandemic may correspondingly influence leisure activities, such as birding, which is the practice of observing birds based on visual and acoustic cues. Birders are people who carry out...
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The global COVID-19 pandemic is affecting everyone, but in many different ways, stimulating contrasting reactions and responses: opportunities for some, difficulties for many. A simple survey of how individual workers in urban ecology have been coping with COVID-19 constraints found divergent responses to COVID-19 on people’s activities, both withi...
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We studied the relationship between temperature and the coexistence of great tit Parus major and blue tit Cyanistes caeruleus, breeding in 75 study plots across Europe and North Africa. We expected an advance in laying date and a reduction in clutch size during warmer springs as a general response to climate warming and a delay in laying date and a...
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Coronaviruses may exert severely negative effects on the mortality and morbidity of birds and mammals including humans and domestic animals. Most recently CoVID-19 has killed about half million people (27th of June, 2020). Susceptibility to this disease appears to differ markedly across different societies but the factors underlying this variabilit...
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Da fome, do fogo e da guerra: salvai-nos, Senhor! Essa invocação vem sendo repetida há séculos. A humanidade sempre temeu guerras e turbulências, como fome e doenças, e esses infortúnios sempre caminharam muito próximos de nós. Nos interlúdios entre as guerras, nos preciosos períodos de paz, podemos tecer considerações sobre por que guerreamos. Mil...
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Digit ratio is a morphological feature regarded as a biomarker of the balance of sex hormones during early development. The exposure of embryos to a set of sex hormones and the mutual relations between those hormones cause the emergence of individual morphological and/or behavioural characteristics as well as differences between sexes. We have thus...
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Prostitution is an exchange of sexual services for economic profit which predominantly reflects men’s desire for sexually attractive women. These preferences could be shaped by sexual selection, as a woman’s sexual attractiveness is believed to be a cue of fertility. Using data from Polish prostitutes, we investigated whether cues of fertility are...
Preprint
Full-text available
Coronaviruses may exert severely negative effects on the mortality and morbidity of birds and mammals including humans and domestic animals. Most recently CoVID-19 has infected over 2,360,000 humans and killed more than 165,000. Susceptibility to this disease appears to differ markedly across different societies but the factors underlying this vari...
Article
Transport infrastructures, mainly roads and railways, influence many aspects of bird life. The use of trams in urban areas for mass transit has been suggested as having a lower impact on the environment. However, to date, the impact of tram tracks and the surrounding infrastructure on birds has not been directly tested. Therefore, we posed two ques...
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Recent changes in agriculture have had a very strong impact on avian populations, but detailed mechanistic explanations are scarce. Some proposed solutions to avian declines can be complicated because responses are not linear. For example, abandoning pasture management can be detrimental to many open-nesting birds, but also to some others, because...