Heljä‐Sisko Helmisaari - Publications, H-index & Citations

Heljä‐Sisko Helmisaari

university of helsinki

54H指数

218论文数

8.9K被引数

收录论文 70

发表时间

Different effects of continuous-cover and rotation forest management on soil organic carbon stabilization in a boreal Norway spruce forest 连续覆盖和轮作森林管理对 boreal Norway spruce 森林土壤有机碳稳定化的不同影响

Forest Ecology and Management

IF3.7

2025-11-15

OAAI

Eva-Maria Roth; Outi-Maaria Sietiö; Bartosz Adamczyk; Pingping Xu; Sauli Valkonen; Eeva-Stiina Tuittila; Heljä-Sisko Helmisaari; Kristiina Karhu

Carbon Stocks and Transfers in Coniferous Boreal Forests Along a Latitudinal Gradient (vol 27, pg 151, 2024)

ECOSYSTEMS

IF3.3

2024-06-28

OAAI

Merila, Paivi; Lindroos, Antti-Jussi; Helmisaari, Helja-Sisko; Hilli, Sari; Nieminen, Tiina M.; Nojd, Pekka; Rautio, Pasi; Salemaa, Maija; Tupek, Boris; Ukonmaanaho, Liisa

Carbon Stocks and Transfers in Coniferous Boreal Forests Along a Latitudinal Gradient

ECOSYSTEMS

IF3.3

2023-10-17

OAAI

Merila, Paivi; Lindroos, Antti-Jussi; Helmisaari, Helja-Sisko; Hilli, Sari; Nieminen, Tiina M.; Nojd, Pekka; Rautio, Pasi; Salemaa, Maija; Tupek, Boris; Ukonmaanaho, Liisa

How do harvesting methods applied in continuous-cover forestry and rotation forest management impact soil carbon storage and degradability in boreal Scots pine forests?

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2023-09-01

OAAI

Roth, Eva-Maria; Karhu, Kristiina; Koivula, Matti; Helmisaari, Helja-Sisko; Tuittila, Eeva-Stiina

Distinct patterns of below- and aboveground growth phenology and litter carbon inputs along a boreal site type gradient (vol 489, 119081, 2021)

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2021-08-01

OAAI

Ding, Yiyang; Leppalammi-Kujansuu, Jaana; Salemaa, Maija; Schiestl-Aalto, Pauliina; Kulmala, Liisa; Ukonmaanaho, Liisa; Nojd, Pekka; Minkkinen, Kari; Makita, Naoki; Zeleznik, Peter; Merila, Paivi; Helmisaari, Helja-Sisko

Distinct patterns of below- and aboveground growth phenology and litter carbon inputs along a boreal site type gradient

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2021-06-01

OAAI

Rhizosphere 'Trade' Is an Unnecessary Analogy: Response Noe

TRENDS IN ECOLOGY & EVOLUTION

IF17.3

2021-03-01

PREAI

Prescott, Cindy E.; Grayston, Sue J.; Helmisaari, Helja-Sisko; Kastovska, Eva; Korner, Christian; Lambers, Hans; Meier, Ina C.; Millard, Peter; Ostonen, Ivika

Partitioning of forest floor CO2 emissions reveals the belowground interactions between different plant groups in a Scots pine stand in southern Finland

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2021-02-01

OAAI

Ryhti, Kira; Kulmala, Liisa; Pumpanen, Jukka; Isotalo, Jarkko; Pihlatie, Mari; Helmisaari, Helja-Sisko; Leppalammi-Kujansuu, Jaana; Kieloaho, Antti-Jussi; Back, Jaana; Heinonsalo, Jussi

Surplus Carbon Drives Allocation and Plant-Soil Interactions

TRENDS IN ECOLOGY & EVOLUTION

IF17.3

2020-12-01

196

OAAI

Prescott, Cindy E.; Grayston, Sue J.; Helmisaari, Helja-Sisko; Kastovska, Eva; Korner, Christian; Lambers, Hans; Meier, Ina C.; Millard, Peter; Ostonen, Ivika

Fine root classification matters: nutrient levels in different functional categories, orders and diameters of roots in boreal Pinus sylvestris across a latitudinal gradient 细根分类很重要: 不同功能类别的营养水平，纬度梯度上的北方樟子松根的顺序和直径

PLANT AND SOIL

IF4.1

2019-12-21

PREAI

Mucha, Joanna; Zadworny, Marcin; Helmisaari, Helja-Sisko; Nihlgard, Bengt; Repo, Tapani; Zytkowiak, Maciej; Malek, Stanislaw; Reich, Peter B.; Oleksyn, Jacek

Sprinkling infiltration as an artificial groundwater recharge method - Long-term effects on boreal forest soil, tree growth and understory vegetation

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2019-09-01

OAAI

Kaarakka, Lilli; Smolander, Aino; Lindroos, Antti-Jussi; Nojd, Pekka; Korpela, Leila; Nieminen, Tiina M.; Helmisaari, Helja-Sisko

Fine root longevity and below- and aboveground litter production in a boreal Betula pendula forest

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2019-01-01

PREAI

Ding, Yiyang; Leppalammi-Kujansuu, Jaana; Helmisaari, Helja-Sisko

Roots and rhizospheres in forest ecosystems: Recent advances and future challenges

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2019-01-01

OAAI

Meier, Ina C.; Brunner, Ivano; Godbold, Douglas L.; Helmisaari, Helja-Sisko; Ostonen, Ivika; Soudzilovskaia, Nadejda A.; Prescott, Cindy E.

Root growth dynamics of three beech (Fagus sylvatica L.) provenances 三种山毛榉 (Fagus sylvatica L.) 种源的根系生长动态

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2019-01-01

OAAI

Zeleznik, Peter; Westergren, Marjana; Bozic, Gregor; Eler, Klemen; Bajc, Marko; Helmisaari, Helja-Sisko; Horvath, Aniko; Kraigher, Hojka

Stump harvesting in Picea abies stands: Soil surface disturbance and biomass distribution of the harvested stumps and roots

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2018-10-01

OAAI

Kaarakka, Lilli; Vaittinen, Janne; Marjanen, Mikael; Hellsten, Sofie; Kukkola, Mikko; Saarsalmi, Anna; Palviainen, Marjo; Helmisaari, Helja-Sisko

Spring drying and intensified summer rainfall affected soil microbial community composition but not enzyme activity in a subtropical forest

APPLIED SOIL ECOLOGY

IF5

2018-09-01

PREAI

Zhao, Qian; Shen, Weijun; Chen, Quan; Helmisaari, Helja-Sisko; Sun, Qiaoqi; Jian, Shuguang

Unravelling the age of fine roots of temperate and boreal forests

NATURE COMMUNICATIONS

IF15.7

2018-08-01

OAAI

Solly, Emily F.; Brunner, Ivano; Helmisaari, Heljae-Sisko; Herzog, Claude; Leppaelammi-Kujansuu, Jaana; Schoening, Ingo; Schrumpf, Marion; Schweingruber, Fritz H.; Trumbore, Susan E.; Hagedorn, Frank

Impacts of timber forwarding on physical properties of forest soils in southern Finland

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2017-12-01

PREAI

Toivio, Jenny; Helmisaari, Helja-Sisko; Palviainen, Marjo; Lindeman, Harri; Ala-Ilomaki, Jari; Siren, Matti; Uusitalo, Joni

Variation of soil respiration and its components in hemiboreal Norway spruce stands of different ages

PLANT AND SOIL

IF4.1

2016-12-01

PREAI

Kukumagi, Mai; Ostonen, Ivika; Uri, Veiko; Helmisaari, Helja-Sisko; Kanal, Arno; Kull, Olevi; Lohmus, Krista