Articles

Competition effects in an afrotemperate forest

Information about competition responses is mainly available for monospecific stands or mixed stands with a small number of species. Studies on complex multi-species and highly structured forest ecosystems are ...

Authors: Thomas Seifert, Stefan Seifert, Armin Seydack, Graham Durrheim and Klaus von Gadow

Using a stand-level model to predict light absorption in stands with vertically and horizontally heterogeneous canopies

Forest ecosystem functioning is strongly influenced by the absorption of photosynthetically active radiation (APAR), and therefore, accurate predictions of APAR are critical for many process-based forest growt...

Authors: David I Forrester, Rubén Guisasola, Xiaolu Tang, Axel T Albrecht, Tran Lam Dong and Guerric le Maire

Evaluation of different approaches to individual tree growth and survival modelling using data collected at irregular intervals – a case study for Pinus patula in Kenya

The minimum set of sub-models for simulating stand dynamics on an individual-tree basis consists of tree-level models for diameter increment and survival. Ingrowth model is a necessary third component in uneve...

Authors: Rita Juma, Timo Pukkala, Sergio de-Miguel and Mbae Muchiri

Can plasticity make spatial structure irrelevant in individual-tree models?

Distance-dependent individual-tree models have commonly been found to add little predictive power to that of distance-independent ones. One possible reason is plasticity, the ability of trees to lean and to al...

Authors: Oscar García

A model of seasonal foliage dynamics of the subtropical mangrove species Rhizophora stylosa Griff. growing at the northern limit of its distribution

Progress of forest production in response to the environment requires a quantitative understanding of leaf area development. Therefore, it is necessary to investigate the dynamics of seasonal crown foliage in ...

Authors: Sahadev Sharma, A T M Rafiqul Hoque, Kangkuso Analuddin and Akio Hagihara

Assessing citizen science opportunities in forest monitoring using probabilistic topic modelling

With mounting global environmental, social and economic pressures the resilience and stability of forests and thus the provisioning of vital ecosystem services is increasingly threatened. Intensified monitorin...

Authors: Stefan Daume, Matthias Albert and Klaus von Gadow

Modelling of the spread of a potential invasive pest, the Siberian moth (Dendrolimus sibiricus) in Europe

The Siberian moth (Dendrolimus sibiricus) (SM) defoliates several tree species from the genera Larix, Picea and Abies in northern Asia, east of the Urals. The SM is a potential invasive forest pest in Europe beca...

Authors: Timo Möykkynen and Timo Pukkala

Developing a dynamic growth model for teak plantations in India

Tectona grandis (teak) is one of the most important tropical timber speciesoccurring naturally in India. Appropriate growth models, based on advanced modeling techniques,are not available but are necessary for th...

Authors: Vindhya Prasad Tewari, Juan Gabriel Álvarez-gonzález and Oscar García

Forest observational studies-an essential infrastructure for sustainable use of natural resources

This contribution complements Forest Ecosystems’ Thematic Series on “Forest Observational Studies”. We provide essential clarification regarding the definition and purpose of long-term field studies, review some ...

Authors: XiuHai Zhao, Javier Corral-Rivas, ChunYu Zhang, Hailemariam Temesgen and Klaus v Gadow

Unsuspected implications arising from assumptions in simulations: insights from recasting a forest growth model in system dynamics

Familiarity with a simulation platform can seduce modellers into accepting untested assumptions for convenience of implementation. These assumptions may have consequences greater than commonly suspected, and i...

Authors: Jerome K Vanclay

Local and generalized height-diameter models with random parameters for mixed, uneven-aged forests in Northwestern Durango, Mexico

We used mixed models with random components to develop height-diameter (h-d) functions for mixed, uneven-aged stands in northwestern Durango (Mexico), considering the breast height diameter (d) and stand varia...

Authors: Sacramento Corral-Rivas, Juan Gabriel Álvarez-González, Felipe Crecente-Campo and José Javier Corral-Rivas

Ingrowth, survival and height growth of small trees in uneven-aged Picea abies stands in southern Finland

The purpose of the study was to analyse height growth, mortality, and ingrowth of individual small-sized trees in uneven-aged spruce-dominated stands. It was based on experimental data from 16 stands for a 15-...

Authors: Kalle Eerikäinen, Sauli Valkonen and Timo Saksa

Height increment of understorey Norway spruces under different tree canopies

Stands having advance regeneration of spruce are logical places to start continuous cover forestry (CCF) in fertile and mesic boreal forests. However, the development of advance regeneration is poorly known.

Authors: Olavi Laiho, Timo Pukkala and Erkki Lähde

Stand management optimization – the role of simplifications

Studies on optimal stand management often make simplifications or restrict the choice of treatments. Examples of simplifications are neglecting natural regeneration that appears on a plantation site, omitting ...

Authors: Timo Pukkala, Erkki Lähde and Olavi Laiho

Science writing in the real world

The objective of this contribution is to consider guides to technical writing. Since the professional writes what he does and does what he writes, guides to how you execute the one relate to how you perform th...

Authors: Mike Mentis

Editorial – Forest Ecosystems

Authors: Yin Weilun and Klaus v Gadow