Zobrazeno 1 - 10
of 122
pro vyhledávání: '"Gunnar Jansson"'
Logging Mats and Logging Residue as Ground Protection during Forwarder Traffic along Till Hillslopes
Publikováno v:
Croatian Journal of Forest Engineering, Vol 42, Iss 3, Pp 445-462 (2021)
Forest soils in Northern Europe are generally trafficked by forest machinery on several occasions during a forest rotation. This may create ruts (wheel tracks), which could increase sediment transport to nearby surface water, reduce recreational valu
Externí odkaz:
https://doaj.org/article/8dac66458e924a0b94c70a635477e58d
Autor:
Pascal Milesi, Mats Berlin, Jun Chen, Marion Orsucci, Lili Li, Gunnar Jansson, Bo Karlsson, Martin Lascoux
Publikováno v:
Evolutionary Applications, Vol 12, Iss 10, Pp 1946-1959 (2019)
Abstract Norway spruce (Picea abies) is a dominant conifer species of major economic importance in northern Europe. Extensive breeding programs were established to improve phenotypic traits of economic interest. In southern Sweden, seeds used to crea
Externí odkaz:
https://doaj.org/article/836808e5ce7440498202ae769badb69e
Autor:
Jun Chen, Lili Li, Pascal Milesi, Gunnar Jansson, Mats Berlin, Bo Karlsson, Jelena Aleksic, Giovanni G. Vendramin, Martin Lascoux
Publikováno v:
Evolutionary Applications, Vol 12, Iss 8, Pp 1539-1551 (2019)
Abstract Primeval forests are today exceedingly rare in Europe, and transfer of forest reproductive material for afforestation and improvement has been very common, especially over the last two centuries. This can be a serious impediment when inferri
Externí odkaz:
https://doaj.org/article/2b87ec90c7c841978fd2d2f42f1b0827
Publikováno v:
Acta Veterinaria Scandinavica, Vol 59, Iss 1, Pp 1-7 (2017)
Abstract Background The number and spatial distribution of wild boars (Sus scrofa) has increased remarkably in Sweden as well as in other European countries. To understand the population dynamics of the wild boar, knowledge of its reproductive period
Externí odkaz:
https://doaj.org/article/474dadf0647c46919792885d5d9cf8a2
Publikováno v:
Sensors, Vol 20, Iss 4, p 1129 (2020)
Given an overall aim of improving Scots pine structural wood quality by selective tree breeding, we investigated the potential of non-destructive acoustic sensing tools to accurately predict wood stiffness (modulus of elasticity, MOE) and strength (m
Externí odkaz:
https://doaj.org/article/39b5b078a383465abcbc694b9afd3ea8
Autor:
Mats Erik Berlin, Torgny Persson, Gunnar Jansson, Matti Haapanen, Seppo Ruotsalainen, Lars Bärring, Bengt Andersson Gull
Publikováno v:
Silva Fennica, Vol 50, Iss 3 (2016)
In this study, we developed models of transfer effects for growth and survival of Scots pine (Pinus sylvestris L.) in Sweden and Finland using a general linear mixed-model approach. For model development, we used 378 provenance and progeny trials wit
Externí odkaz:
https://doaj.org/article/8e03d6a69ebc4ac5bd15878c07fe9f41
Autor:
Curt Almqvist, Gunnar Jansson
Publikováno v:
Silva Fennica, Vol 49, Iss 4 (2015)
Seed orchards are the link between tree breeding and reforestation. This paper presents data on cone, seed and pollen production and seed quality gathered over 21 years in a (L.) experimental seed orchard containing plots with 14 different combinatio
Externí odkaz:
https://doaj.org/article/aeef13b5244f43db97bdf43d740ae79c
Publikováno v:
Intellectual Journeys in Ecological Psychology ISBN: 9781003160724
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7324077af8ca24c6d8f7d235534e4086
https://doi.org/10.4324/9781003160724-12
https://doi.org/10.4324/9781003160724-12
Publikováno v:
Canadian Journal of Forest Research. 51:1002-1014
Competition is a concern for tree breeding because of its potential to reduce the genetic gain. Competition, if not accounted for in the analytical model, can potentially introduce a source of bias in genetic parameter estimation and breeding value p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::737849a9cee8831087fd75e869629118
https://doi.org/10.1139/cjfr-2020-0368
https://doi.org/10.1139/cjfr-2020-0368
Publikováno v:
Canadian Journal of Forest Research. 51:792-806
Wood-ash application to forestland has been proposed as a means to compensate for increased nutrient removal when harvesting logging residue in addition to stems. A study-plot experiment was established on a mineral soil site in Sweden to investigate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37911a9f12b58ef4ebfd472b642a2b7e
https://doi.org/10.1139/cjfr-2020-0088
https://doi.org/10.1139/cjfr-2020-0088