Sand-Related Factors Influencing Nest Burrowing Potential of the Sand Martins
Abstract
:Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Measurements of Nesting Colonies and Nest Morphology
2.3. Soil Sampling and Analyses
2.4. Statistical Analyses
3. Results
3.1. General Characteristics of Nesting Colonies
3.2. Factors Influencing on Nest Characteristics
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Region | HE (cm) | LE (m) | NN (n) | DW (km) | DH (km) | DS (km) |
---|---|---|---|---|---|---|
CV-1 | 320 | 22 | 458 | 0.94 | 5.8 | 1.6 |
CV-2 | 275 | 12 | 278 | 0.9 | 5.83 | 1.63 |
DMS | 240 | 8 | 920 | 0.03 | 4.16 | 0.22 |
DMC | 260 | 15 | 854 | 0.015 | 4.7 | 1.65 |
β | SE | t | P | VIF | |
---|---|---|---|---|---|
Tunnel depth (R2 = 0.54; Adj. R2 = 0.51; SE = 0.51; F = 21.28, df = 4, 75; p < 0.001) | |||||
Constant | −202.86 | 69.32 | −2.93 | 0.005 | |
pH | 27.72 | 8.38 | 3.30 | 0.001 | 3.92 |
EC | 0.116 | 0.03 | 3.42 | 0.001 | 3.43 |
Location | −15.79 | 3.35 | 4.71 | <0.001 | 1.87 |
Particle size | 0.001 | 0.01 | 0.05 | 0.962 | 1.07 |
Distance between tunnel holes (R2 = 0.28; Adj. R2 = 0.43; SE = 2.09; F = 7.37, df = 4, 75; p < 0.001) | |||||
Constant | 25.00 | 13.20 | 1.90 | 0.062 | |
EC | 0.01 | 0.01 | 2.04 | 0.045 | 3.43 |
Location | −2.53 | 0.64 | 3.96 | <0.001 | 1.87 |
pH | −2.30 | 1.60 | −1.44 | 0.155 | 3.92 |
Particle size | −0.001 | 0.002 | −0.33 | 0.742 | 1.02 |
Width of the entrance opening (R2 = 0.26; Adj. R2 = 0.22; SE = 0.80; F = 6.49, df = 4;75; p < 0.001) | |||||
Constant | 15.35 | 5.04 | 3.05 | 0.003 | |
Particle size | 0.002 | 0.001 | 2.29 | 0.025 | 1.11 |
Location | 0.09 | 0.24 | 3.52 | <0.001 | 1.87 |
pH | −1.21 | 0.61 | −1.99 | 0.051 | 3.92 |
EC | 0.004 | 0.002 | 1.49 | 0.139 | 3.43 |
Tunnel Depth * | Distance Between Tunnel Holes | Width of the Entrance Opening | Height of the Entrance Opening | |
---|---|---|---|---|
Colony | ||||
CV-1 (non-shore) | 46.90 ± 11.91 | 7.60 ± 2.10 | 5.90 ± 0.88 | 3.40 ± 0.50 |
CV-2 (non-shore) | 55.70 ± 9.70 | 6.07 ± 2.51 | 5.40 ± 0.56 | 3.60 ± 0.73 |
DMS (shore-site) | 71.42 ± 9.80 | 4.87 ± 1.53 | 6.32 ± 0.76 | 3.75 ± 0.57 |
DMC (shore-site) | 40.37 ± 10.51 | 4.12 ± 1.86 | 6.37 ± 0.98 | 3.82 ± 0.54 |
Kruskal–Wallis H | 44.64 | 23.26 | 16.28 | 3.47 |
Df | 3 | 3 | 3 | 3 |
Asymp. Sig. | 0.001 | 0.001 | 0.001 | 0.325 |
Pairwise adjusted significant differences, Dunn test | CV2 > DMC | CV1 > DMC | DMS > CV2 | not tested |
DMS > DMC | CV1 > DMS | DMC > CV2 | ||
DMS > CV1 | ||||
DMS > CV2 |
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Çelik, E.; Durmus, A.; Jokimäki, J. Sand-Related Factors Influencing Nest Burrowing Potential of the Sand Martins. Animals 2023, 13, 3463. https://doi.org/10.3390/ani13223463
Çelik E, Durmus A, Jokimäki J. Sand-Related Factors Influencing Nest Burrowing Potential of the Sand Martins. Animals. 2023; 13(22):3463. https://doi.org/10.3390/ani13223463
Chicago/Turabian StyleÇelik, Emrah, Atilla Durmus, and Jukka Jokimäki. 2023. "Sand-Related Factors Influencing Nest Burrowing Potential of the Sand Martins" Animals 13, no. 22: 3463. https://doi.org/10.3390/ani13223463