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Stanowiska dziewięćsiłu bezłodygowego Carlina acaulis w Puszczy Bydgoskiej

100%

Piasecki J. , Spanidis A.

Chrońmy Przyrodę Ojczystą

1988

tom 44

nr 6

Liczebność i rozmieszczenie włochatki Aegolius funereus na powierzchniach próbnych w Puszczy Bydgoskiej w roku 2020

86%

Kurowski R.

Ornis Polonica

2021

tom 62

nr 1

The survey aimed to find potential breeding sites of the Boreal Owl Aegolius funereus in the Bydgoszcz Forest (N Poland) was conducted in 2019. Based on promising survey results from 2019, a more detailed survey was performed in 2020. A total of 15 calling males were found on three sample plots (30 km² each), and two males in their immediate vicinity. The mean male density was estimated at 2.3, 1.7 and 1.0 territory/10 km², respectively). In total, 9 hollows occupied during the day were detected. At least three of them were nest holes; a female incubating eggs was recorded inside. Only in one case 3 owlets left the nest. The occupied hollows were found in the trunks of Scots Pines aged between 113 and 198 years, in forest stands of various structures. The area should be monitored in the future to establish the population trend. Potential dangers may be limited by the designation of protection zones in the vicinity of nesting trees.

Nowe skrzynki z trocinobetonu dla nietoperzy

72%

Kasprzyk K. , Tomaszewski M.

tom 09

nr 2

Zawartość przyswajalnych form potasu w glebach Puszczy Bydgoskiej użytkowanych rolniczo

72%

Spychaj-Fabisiak E. , Murawska B. , Janowiak J. , Knapowski T.

nr 35-36

Akarofauna [Acari] gniazd wybranych gatunkow ptakow spiewajacych [Passeriformes, Oscines] Puszczy Bydgoskiej

72%

Seniczak S. , Dabrowski J. , Dabrowska B. , Szulc J.

Zeszyty Naukowe Akademii Techniczno-Rolniczej w Bydgoszczy. Zootechnika

1996

tom 27

103-114

Zawartość fosforu, ołowiu i niklu oraz aktywność fosfomonoesteraz w glebie Puszczy Bydgoskiej w zasięgu oddziaływania niekontrolowanych składowisk odpadów

58%

Lemanowicz J. , Bartkowiak A. , Breza-Boruta B.

Sylwan

2016

tom 160

nr 02

The presented research aimed to assess the influence of illegal dumping sites on changes in the phosphorus, nickel and lead content and the phosphatases activity in 0−20 cm top soil−layer. The samples were taken in the Bydgoska Forest (northern Poland) from four points. At plots W1 (debris and ceramic waste, glass, plastics, metals, textiles and used electrotechnical equipment), W2 (electrotechnical equipment, tyres and textiles) and W3 (wastes of organic origin from households as well as cut grass and residue from garden) samples were collected directly under illegally deposited landfill sites. The control plot (K) was located far from the determined waste landfill sites and beyond the range of their effect. We determined: organic carbon (Corg), total and available phosphorus as well as the content of total and available lead and nickel and the activity of alkaline and acid phosphatase. Uncontrolled landfill sites significantly influenced soil properties, which may lead to changes in the phosphomonoesterases activity of soil and the nutrient content. The study concluded that the composition of waste at W3 site had a less negative impact on the soils than at W1 and W2 sites. In the soil from landfills W3 we observed high phosphorus availability (AF 14.9%). The lowest resistance (RS) for alkaline and acid phosphatases was found in soils from the area of dumping sites W1 and W2, while the highest RS was determined for W3. The content of nickel and lead in the soil samples qualifies them into the category of soils with natural content of these compounds. Simple correlation showed clearly that organic matter was particularly implicated in the activity of phosphomonoesterases and the content of lead or nickel. Based on the clustering with Ward's method it was stated that cluster 2 includes two soil samples (W1 and W2) due to its lower phosphatase activity and organic carbon, available phosphorus and total lead content. A high variation in the activity phosphatase under study in soil W2 confirms a high coefficient of variation (>36%).

Zwalczanie barczatki sosnowki [Dendrolimus pini L.] w Puszczy Bydgoskiej w roku 2003

58%

Adomas J.

Sylwan

2003

tom 147

nr 11

68-73

Zielona Struga

58%

Kaminski A.

2003

nr 07

10-11

Odrodzony las

50%

Trzebiatowski Z.

2004

nr 01

24-25

Gradacja borecznika w Puszczy Bydgoskiej

43%

Gaweda P.

nr 22